Home / 403,416.27-604,949.45-137,105.28

Finding the Fourth Proportional to 403,416.27, 604,949.45 and 137,105.28

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Solution

The fourth proportional to 403,416.27, 604,949.45 and 137,105.28 is: 205,598.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,416.27 : 604,949.45 = 137,105.28 : x
  2. Step 2: Convert to fraction form
    403,416.27/604,949.45 = 137,105.28/x
  3. Step 3: Cross multiply
    403,416.27x = 604,949.45 × 137,105.28
  4. Step 4: Simplify right side
    403,416.27x = 82,941,763,042.57
  5. Step 5: Solve for x
    x = 82,941,763,042.57/403,416.27
  6. Step 6: Final answer
    x = 205,598.46

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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.