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Finding the Fourth Proportional to 290,390.08, 435,492.96 and 93,352

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Solution

The fourth proportional to 290,390.08, 435,492.96 and 93,352 is: 139,998.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,390.08 : 435,492.96 = 93,352 : x
  2. Step 2: Convert to fraction form
    290,390.08/435,492.96 = 93,352/x
  3. Step 3: Cross multiply
    290,390.08x = 435,492.96 × 93,352
  4. Step 4: Simplify right side
    290,390.08x = 40,654,138,801.92
  5. Step 5: Solve for x
    x = 40,654,138,801.92/290,390.08
  6. Step 6: Final answer
    x = 139,998.37

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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.