Home / 409,574.26-614,638.02-143,337.10

Finding the Fourth Proportional to 409,574.26, 614,638.02 and 143,337.10

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Solution

The fourth proportional to 409,574.26, 614,638.02 and 143,337.10 is: 215,102.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,574.26 : 614,638.02 = 143,337.10 : x
  2. Step 2: Convert to fraction form
    409,574.26/614,638.02 = 143,337.10/x
  3. Step 3: Cross multiply
    409,574.26x = 614,638.02 × 143,337.10
  4. Step 4: Simplify right side
    409,574.26x = 88,100,431,336.54
  5. Step 5: Solve for x
    x = 88,100,431,336.54/409,574.26
  6. Step 6: Final answer
    x = 215,102.46

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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.