Home / 319,082.20-440,336.45-175,847.47

Finding the Fourth Proportional to 319,082.20, 440,336.45 and 175,847.47

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Solution

The fourth proportional to 319,082.20, 440,336.45 and 175,847.47 is: 242,671.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,082.20 : 440,336.45 = 175,847.47 : x
  2. Step 2: Convert to fraction form
    319,082.20/440,336.45 = 175,847.47/x
  3. Step 3: Cross multiply
    319,082.20x = 440,336.45 × 175,847.47
  4. Step 4: Simplify right side
    319,082.20x = 77,432,050,681.28
  5. Step 5: Solve for x
    x = 77,432,050,681.28/319,082.20
  6. Step 6: Final answer
    x = 242,671.17

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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.