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Finding the Fourth Proportional to 285,066.47, 427,149.57 and 231,497.76

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Solution

The fourth proportional to 285,066.47, 427,149.57 and 231,497.76 is: 346,881.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,066.47 : 427,149.57 = 231,497.76 : x
  2. Step 2: Convert to fraction form
    285,066.47/427,149.57 = 231,497.76/x
  3. Step 3: Cross multiply
    285,066.47x = 427,149.57 × 231,497.76
  4. Step 4: Simplify right side
    285,066.47x = 98,884,168,639.96
  5. Step 5: Solve for x
    x = 98,884,168,639.96/285,066.47
  6. Step 6: Final answer
    x = 346,881.10

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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.