Home / 318,827.53-439,976.63-175,600.90

Finding the Fourth Proportional to 318,827.53, 439,976.63 and 175,600.90

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Solution

The fourth proportional to 318,827.53, 439,976.63 and 175,600.90 is: 242,326.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,827.53 : 439,976.63 = 175,600.90 : x
  2. Step 2: Convert to fraction form
    318,827.53/439,976.63 = 175,600.90/x
  3. Step 3: Cross multiply
    318,827.53x = 439,976.63 × 175,600.90
  4. Step 4: Simplify right side
    318,827.53x = 77,260,290,007.08
  5. Step 5: Solve for x
    x = 77,260,290,007.08/318,827.53
  6. Step 6: Final answer
    x = 242,326.29

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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.