Home / 288,623.28-432,938.16-88,942.08

Finding the Fourth Proportional to 288,623.28, 432,938.16 and 88,942.08

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Solution

The fourth proportional to 288,623.28, 432,938.16 and 88,942.08 is: 133,414.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,623.28 : 432,938.16 = 88,942.08 : x
  2. Step 2: Convert to fraction form
    288,623.28/432,938.16 = 88,942.08/x
  3. Step 3: Cross multiply
    288,623.28x = 432,938.16 × 88,942.08
  4. Step 4: Simplify right side
    288,623.28x = 38,506,420,461.77
  5. Step 5: Solve for x
    x = 38,506,420,461.77/288,623.28
  6. Step 6: Final answer
    x = 133,414.12

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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.