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Finding the Fourth Proportional to 357,473.17, 536,209.32 and 91,233.71

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Solution

The fourth proportional to 357,473.17, 536,209.32 and 91,233.71 is: 136,850.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,473.17 : 536,209.32 = 91,233.71 : x
  2. Step 2: Convert to fraction form
    357,473.17/536,209.32 = 91,233.71/x
  3. Step 3: Cross multiply
    357,473.17x = 536,209.32 × 91,233.71
  4. Step 4: Simplify right side
    357,473.17x = 48,920,365,600.18
  5. Step 5: Solve for x
    x = 48,920,365,600.18/357,473.17
  6. Step 6: Final answer
    x = 136,850.45

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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.