Home / 317,583.50-476,499.45-139,965.62

Finding the Fourth Proportional to 317,583.50, 476,499.45 and 139,965.62

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Solution

The fourth proportional to 317,583.50, 476,499.45 and 139,965.62 is: 210,003.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,583.50 : 476,499.45 = 139,965.62 : x
  2. Step 2: Convert to fraction form
    317,583.50/476,499.45 = 139,965.62/x
  3. Step 3: Cross multiply
    317,583.50x = 476,499.45 × 139,965.62
  4. Step 4: Simplify right side
    317,583.50x = 66,693,540,948.91
  5. Step 5: Solve for x
    x = 66,693,540,948.91/317,583.50
  6. Step 6: Final answer
    x = 210,003.17

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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.