Home / 320,432.13-480,937.10-170,797.05

Finding the Fourth Proportional to 320,432.13, 480,937.10 and 170,797.05

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Solution

The fourth proportional to 320,432.13, 480,937.10 and 170,797.05 is: 256,349.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,432.13 : 480,937.10 = 170,797.05 : x
  2. Step 2: Convert to fraction form
    320,432.13/480,937.10 = 170,797.05/x
  3. Step 3: Cross multiply
    320,432.13x = 480,937.10 × 170,797.05
  4. Step 4: Simplify right side
    320,432.13x = 82,142,639,117.90
  5. Step 5: Solve for x
    x = 82,142,639,117.90/320,432.13
  6. Step 6: Final answer
    x = 256,349.57

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1.5x scale

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.