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Finding the Fourth Proportional to 280,592.42, 387,192.42 and 173,197.04

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Solution

The fourth proportional to 280,592.42, 387,192.42 and 173,197.04 is: 238,996.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,592.42 : 387,192.42 = 173,197.04 : x
  2. Step 2: Convert to fraction form
    280,592.42/387,192.42 = 173,197.04/x
  3. Step 3: Cross multiply
    280,592.42x = 387,192.42 × 173,197.04
  4. Step 4: Simplify right side
    280,592.42x = 67,060,579,118.47
  5. Step 5: Solve for x
    x = 67,060,579,118.47/280,592.42
  6. Step 6: Final answer
    x = 238,996.41

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1.5x scale

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.