Home / 316,887.40-437,262.96-189,516.52

Finding the Fourth Proportional to 316,887.40, 437,262.96 and 189,516.52

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Solution

The fourth proportional to 316,887.40, 437,262.96 and 189,516.52 is: 261,507.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,887.40 : 437,262.96 = 189,516.52 : x
  2. Step 2: Convert to fraction form
    316,887.40/437,262.96 = 189,516.52/x
  3. Step 3: Cross multiply
    316,887.40x = 437,262.96 × 189,516.52
  4. Step 4: Simplify right side
    316,887.40x = 82,868,554,504.10
  5. Step 5: Solve for x
    x = 82,868,554,504.10/316,887.40
  6. Step 6: Final answer
    x = 261,507.89

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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.