Home / 320,316.12-442,002.42-177,053.04

Finding the Fourth Proportional to 320,316.12, 442,002.42 and 177,053.04

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Solution

The fourth proportional to 320,316.12, 442,002.42 and 177,053.04 is: 244,314.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,316.12 : 442,002.42 = 177,053.04 : x
  2. Step 2: Convert to fraction form
    320,316.12/442,002.42 = 177,053.04/x
  3. Step 3: Cross multiply
    320,316.12x = 442,002.42 × 177,053.04
  4. Step 4: Simplify right side
    320,316.12x = 78,257,872,148.36
  5. Step 5: Solve for x
    x = 78,257,872,148.36/320,316.12
  6. Step 6: Final answer
    x = 244,314.50

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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.