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Finding the Fourth Proportional to 372,967.79, 558,981.25 and 159,483.33

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Solution

The fourth proportional to 372,967.79, 558,981.25 and 159,483.33 is: 239,023.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,967.79 : 558,981.25 = 159,483.33 : x
  2. Step 2: Convert to fraction form
    372,967.79/558,981.25 = 159,483.33/x
  3. Step 3: Cross multiply
    372,967.79x = 558,981.25 × 159,483.33
  4. Step 4: Simplify right side
    372,967.79x = 89,148,191,655.95
  5. Step 5: Solve for x
    x = 89,148,191,655.95/372,967.79
  6. Step 6: Final answer
    x = 239,023.84

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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.