Home / 638,287.16-957,427.86-164,932.28

Finding the Fourth Proportional to 638,287.16, 957,427.86 and 164,932.28

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Solution

The fourth proportional to 638,287.16, 957,427.86 and 164,932.28 is: 247,397.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,287.16 : 957,427.86 = 164,932.28 : x
  2. Step 2: Convert to fraction form
    638,287.16/957,427.86 = 164,932.28/x
  3. Step 3: Cross multiply
    638,287.16x = 957,427.86 × 164,932.28
  4. Step 4: Simplify right side
    638,287.16x = 157,910,759,885.32
  5. Step 5: Solve for x
    x = 157,910,759,885.32/638,287.16
  6. Step 6: Final answer
    x = 247,397.68

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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.