Home / 331,084.17-456,756.80-208,359.14

Finding the Fourth Proportional to 331,084.17, 456,756.80 and 208,359.14

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Solution

The fourth proportional to 331,084.17, 456,756.80 and 208,359.14 is: 287,447.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,084.17 : 456,756.80 = 208,359.14 : x
  2. Step 2: Convert to fraction form
    331,084.17/456,756.80 = 208,359.14/x
  3. Step 3: Cross multiply
    331,084.17x = 456,756.80 × 208,359.14
  4. Step 4: Simplify right side
    331,084.17x = 95,169,455,151.47
  5. Step 5: Solve for x
    x = 95,169,455,151.47/331,084.17
  6. Step 6: Final answer
    x = 287,447.92

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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.