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Finding the Fourth Proportional to 442,428.16, 610,597.71 and 270,446.79

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Solution

The fourth proportional to 442,428.16, 610,597.71 and 270,446.79 is: 373,245.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,428.16 : 610,597.71 = 270,446.79 : x
  2. Step 2: Convert to fraction form
    442,428.16/610,597.71 = 270,446.79/x
  3. Step 3: Cross multiply
    442,428.16x = 610,597.71 × 270,446.79
  4. Step 4: Simplify right side
    442,428.16x = 165,134,190,082.34
  5. Step 5: Solve for x
    x = 165,134,190,082.34/442,428.16
  6. Step 6: Final answer
    x = 373,245.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.