Home / 658,884.21-988,342.52-185,566.38

Finding the Fourth Proportional to 658,884.21, 988,342.52 and 185,566.38

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Solution

The fourth proportional to 658,884.21, 988,342.52 and 185,566.38 is: 278,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,884.21 : 988,342.52 = 185,566.38 : x
  2. Step 2: Convert to fraction form
    658,884.21/988,342.52 = 185,566.38/x
  3. Step 3: Cross multiply
    658,884.21x = 988,342.52 × 185,566.38
  4. Step 4: Simplify right side
    658,884.21x = 183,403,142,708.65
  5. Step 5: Solve for x
    x = 183,403,142,708.65/658,884.21
  6. Step 6: Final answer
    x = 278,354.13

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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.