Home / 361,844.16-499,280.40-218,508.24

Finding the Fourth Proportional to 361,844.16, 499,280.40 and 218,508.24

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Solution

The fourth proportional to 361,844.16, 499,280.40 and 218,508.24 is: 301,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,844.16 : 499,280.40 = 218,508.24 : x
  2. Step 2: Convert to fraction form
    361,844.16/499,280.40 = 218,508.24/x
  3. Step 3: Cross multiply
    361,844.16x = 499,280.40 × 218,508.24
  4. Step 4: Simplify right side
    361,844.16x = 109,096,881,470.50
  5. Step 5: Solve for x
    x = 109,096,881,470.50/361,844.16
  6. Step 6: Final answer
    x = 301,502.40

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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.