Home / 320,384.20-442,151.04-184,434.88

Finding the Fourth Proportional to 320,384.20, 442,151.04 and 184,434.88

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Solution

The fourth proportional to 320,384.20, 442,151.04 and 184,434.88 is: 254,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,384.20 : 442,151.04 = 184,434.88 : x
  2. Step 2: Convert to fraction form
    320,384.20/442,151.04 = 184,434.88/x
  3. Step 3: Cross multiply
    320,384.20x = 442,151.04 × 184,434.88
  4. Step 4: Simplify right side
    320,384.20x = 81,548,074,004.28
  5. Step 5: Solve for x
    x = 81,548,074,004.28/320,384.20
  6. Step 6: Final answer
    x = 254,532.13

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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.