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Finding the Fourth Proportional to 288,615.10, 432,922.65 and 101,602.30

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Solution

The fourth proportional to 288,615.10, 432,922.65 and 101,602.30 is: 152,403.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,615.10 : 432,922.65 = 101,602.30 : x
  2. Step 2: Convert to fraction form
    288,615.10/432,922.65 = 101,602.30/x
  3. Step 3: Cross multiply
    288,615.10x = 432,922.65 × 101,602.30
  4. Step 4: Simplify right side
    288,615.10x = 43,985,936,962.10
  5. Step 5: Solve for x
    x = 43,985,936,962.10/288,615.10
  6. Step 6: Final answer
    x = 152,403.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.