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Finding the Fourth Proportional to 357,337.56, 535,892.53 and 117,395.76

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Solution

The fourth proportional to 357,337.56, 535,892.53 and 117,395.76 is: 176,056.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,337.56 : 535,892.53 = 117,395.76 : x
  2. Step 2: Convert to fraction form
    357,337.56/535,892.53 = 117,395.76/x
  3. Step 3: Cross multiply
    357,337.56x = 535,892.53 × 117,395.76
  4. Step 4: Simplify right side
    357,337.56x = 62,911,510,837.67
  5. Step 5: Solve for x
    x = 62,911,510,837.67/357,337.56
  6. Step 6: Final answer
    x = 176,056.25

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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.