Home / 312,250.16-430,908.38-169,013.27

Finding the Fourth Proportional to 312,250.16, 430,908.38 and 169,013.27

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Solution

The fourth proportional to 312,250.16, 430,908.38 and 169,013.27 is: 233,240.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,250.16 : 430,908.38 = 169,013.27 : x
  2. Step 2: Convert to fraction form
    312,250.16/430,908.38 = 169,013.27/x
  3. Step 3: Cross multiply
    312,250.16x = 430,908.38 × 169,013.27
  4. Step 4: Simplify right side
    312,250.16x = 72,829,231,374.59
  5. Step 5: Solve for x
    x = 72,829,231,374.59/312,250.16
  6. Step 6: Final answer
    x = 233,240.02

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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.