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Finding the Fourth Proportional to 288,568.30, 432,852.45 and 131,104.30

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Solution

The fourth proportional to 288,568.30, 432,852.45 and 131,104.30 is: 196,656.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,568.30 : 432,852.45 = 131,104.30 : x
  2. Step 2: Convert to fraction form
    288,568.30/432,852.45 = 131,104.30/x
  3. Step 3: Cross multiply
    288,568.30x = 432,852.45 × 131,104.30
  4. Step 4: Simplify right side
    288,568.30x = 56,748,817,460.54
  5. Step 5: Solve for x
    x = 56,748,817,460.54/288,568.30
  6. Step 6: Final answer
    x = 196,656.45

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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.