Home / 354,035.64-530,938.58-117,314.76

Finding the Fourth Proportional to 354,035.64, 530,938.58 and 117,314.76

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Solution

The fourth proportional to 354,035.64, 530,938.58 and 117,314.76 is: 175,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,035.64 : 530,938.58 = 117,314.76 : x
  2. Step 2: Convert to fraction form
    354,035.64/530,938.58 = 117,314.76/x
  3. Step 3: Cross multiply
    354,035.64x = 530,938.58 × 117,314.76
  4. Step 4: Simplify right side
    354,035.64x = 62,286,932,087.44
  5. Step 5: Solve for x
    x = 62,286,932,087.44/354,035.64
  6. Step 6: Final answer
    x = 175,934.07

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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.