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Finding the Fourth Proportional to 364,355.34, 546,491.96 and 98,135.34

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Solution

The fourth proportional to 364,355.34, 546,491.96 and 98,135.34 is: 147,191.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,355.34 : 546,491.96 = 98,135.34 : x
  2. Step 2: Convert to fraction form
    364,355.34/546,491.96 = 98,135.34/x
  3. Step 3: Cross multiply
    364,355.34x = 546,491.96 × 98,135.34
  4. Step 4: Simplify right side
    364,355.34x = 53,630,174,301.87
  5. Step 5: Solve for x
    x = 53,630,174,301.87/364,355.34
  6. Step 6: Final answer
    x = 147,191.95

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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.