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Finding the Fourth Proportional to 288,055.30, 432,212.55 and 101,200.90

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Solution

The fourth proportional to 288,055.30, 432,212.55 and 101,200.90 is: 151,846.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,055.30 : 432,212.55 = 101,200.90 : x
  2. Step 2: Convert to fraction form
    288,055.30/432,212.55 = 101,200.90/x
  3. Step 3: Cross multiply
    288,055.30x = 432,212.55 × 101,200.90
  4. Step 4: Simplify right side
    288,055.30x = 43,740,299,051.30
  5. Step 5: Solve for x
    x = 43,740,299,051.30/288,055.30
  6. Step 6: Final answer
    x = 151,846.88

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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.