Home / 317,841.06-438,624.29-172,648.19

Finding the Fourth Proportional to 317,841.06, 438,624.29 and 172,648.19

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Solution

The fourth proportional to 317,841.06, 438,624.29 and 172,648.19 is: 238,256.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,841.06 : 438,624.29 = 172,648.19 : x
  2. Step 2: Convert to fraction form
    317,841.06/438,624.29 = 172,648.19/x
  3. Step 3: Cross multiply
    317,841.06x = 438,624.29 × 172,648.19
  4. Step 4: Simplify right side
    317,841.06x = 75,727,686,702.17
  5. Step 5: Solve for x
    x = 75,727,686,702.17/317,841.06
  6. Step 6: Final answer
    x = 238,256.46

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1.5x scale

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.