Home / 516,690.18-774,617.04-161,521.38

Finding the Fourth Proportional to 516,690.18, 774,617.04 and 161,521.38

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Solution

The fourth proportional to 516,690.18, 774,617.04 and 161,521.38 is: 242,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,690.18 : 774,617.04 = 161,521.38 : x
  2. Step 2: Convert to fraction form
    516,690.18/774,617.04 = 161,521.38/x
  3. Step 3: Cross multiply
    516,690.18x = 774,617.04 × 161,521.38
  4. Step 4: Simplify right side
    516,690.18x = 125,117,213,272.32
  5. Step 5: Solve for x
    x = 125,117,213,272.32/516,690.18
  6. Step 6: Final answer
    x = 242,151.33

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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.