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Finding the Fourth Proportional to 492,130.98, 737,796.33 and 207,637.92

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Solution

The fourth proportional to 492,130.98, 737,796.33 and 207,637.92 is: 311,288.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,130.98 : 737,796.33 = 207,637.92 : x
  2. Step 2: Convert to fraction form
    492,130.98/737,796.33 = 207,637.92/x
  3. Step 3: Cross multiply
    492,130.98x = 737,796.33 × 207,637.92
  4. Step 4: Simplify right side
    492,130.98x = 153,194,495,344.83
  5. Step 5: Solve for x
    x = 153,194,495,344.83/492,130.98
  6. Step 6: Final answer
    x = 311,288.05

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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.