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Finding the Fourth Proportional to 614,230.56, 847,638.99 and 342,292.50

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Solution

The fourth proportional to 614,230.56, 847,638.99 and 342,292.50 is: 472,364.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,230.56 : 847,638.99 = 342,292.50 : x
  2. Step 2: Convert to fraction form
    614,230.56/847,638.99 = 342,292.50/x
  3. Step 3: Cross multiply
    614,230.56x = 847,638.99 × 342,292.50
  4. Step 4: Simplify right side
    614,230.56x = 290,140,468,984.58
  5. Step 5: Solve for x
    x = 290,140,468,984.58/614,230.56
  6. Step 6: Final answer
    x = 472,364.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.