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Finding the Fourth Proportional to 373,787.68, 560,348.08 and 137,075.04

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Solution

The fourth proportional to 373,787.68, 560,348.08 and 137,075.04 is: 205,490.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,787.68 : 560,348.08 = 137,075.04 : x
  2. Step 2: Convert to fraction form
    373,787.68/560,348.08 = 137,075.04/x
  3. Step 3: Cross multiply
    373,787.68x = 560,348.08 × 137,075.04
  4. Step 4: Simplify right side
    373,787.68x = 76,809,735,479.92
  5. Step 5: Solve for x
    x = 76,809,735,479.92/373,787.68
  6. Step 6: Final answer
    x = 205,490.28

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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.