Home / 317,542.08-438,207.86-179,718.50

Finding the Fourth Proportional to 317,542.08, 438,207.86 and 179,718.50

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Solution

The fourth proportional to 317,542.08, 438,207.86 and 179,718.50 is: 248,011.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,542.08 : 438,207.86 = 179,718.50 : x
  2. Step 2: Convert to fraction form
    317,542.08/438,207.86 = 179,718.50/x
  3. Step 3: Cross multiply
    317,542.08x = 438,207.86 × 179,718.50
  4. Step 4: Simplify right side
    317,542.08x = 78,754,059,287.41
  5. Step 5: Solve for x
    x = 78,754,059,287.41/317,542.08
  6. Step 6: Final answer
    x = 248,011.41

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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.