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Finding the Fourth Proportional to 358,588.92, 537,795.90 and 148,287

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Solution

The fourth proportional to 358,588.92, 537,795.90 and 148,287 is: 222,394.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,588.92 : 537,795.90 = 148,287 : x
  2. Step 2: Convert to fraction form
    358,588.92/537,795.90 = 148,287/x
  3. Step 3: Cross multiply
    358,588.92x = 537,795.90 × 148,287
  4. Step 4: Simplify right side
    358,588.92x = 79,748,140,623.30
  5. Step 5: Solve for x
    x = 79,748,140,623.30/358,588.92
  6. Step 6: Final answer
    x = 222,394.32

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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.