Home / 456,213.08-684,275.60-140,585.24

Finding the Fourth Proportional to 456,213.08, 684,275.60 and 140,585.24

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Solution

The fourth proportional to 456,213.08, 684,275.60 and 140,585.24 is: 210,864.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,213.08 : 684,275.60 = 140,585.24 : x
  2. Step 2: Convert to fraction form
    456,213.08/684,275.60 = 140,585.24/x
  3. Step 3: Cross multiply
    456,213.08x = 684,275.60 × 140,585.24
  4. Step 4: Simplify right side
    456,213.08x = 96,199,049,452.14
  5. Step 5: Solve for x
    x = 96,199,049,452.14/456,213.08
  6. Step 6: Final answer
    x = 210,864.29

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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.