Home / 229,984.35-317,377.92-129,382.35

Finding the Fourth Proportional to 229,984.35, 317,377.92 and 129,382.35

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Solution

The fourth proportional to 229,984.35, 317,377.92 and 129,382.35 is: 178,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,984.35 : 317,377.92 = 129,382.35 : x
  2. Step 2: Convert to fraction form
    229,984.35/317,377.92 = 129,382.35/x
  3. Step 3: Cross multiply
    229,984.35x = 317,377.92 × 129,382.35
  4. Step 4: Simplify right side
    229,984.35x = 41,063,101,127.71
  5. Step 5: Solve for x
    x = 41,063,101,127.71/229,984.35
  6. Step 6: Final answer
    x = 178,547.37

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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.