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Finding the Fourth Proportional to 352,948.84, 529,488.87 and 116,308.15

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Solution

The fourth proportional to 352,948.84, 529,488.87 and 116,308.15 is: 174,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,948.84 : 529,488.87 = 116,308.15 : x
  2. Step 2: Convert to fraction form
    352,948.84/529,488.87 = 116,308.15/x
  3. Step 3: Cross multiply
    352,948.84x = 529,488.87 × 116,308.15
  4. Step 4: Simplify right side
    352,948.84x = 61,583,870,915.29
  5. Step 5: Solve for x
    x = 61,583,870,915.29/352,948.84
  6. Step 6: Final answer
    x = 174,483.85

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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.