Home / 409,567.26-614,627.55-143,330.07

Finding the Fourth Proportional to 409,567.26, 614,627.55 and 143,330.07

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Solution

The fourth proportional to 409,567.26, 614,627.55 and 143,330.07 is: 215,091.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,567.26 : 614,627.55 = 143,330.07 : x
  2. Step 2: Convert to fraction form
    409,567.26/614,627.55 = 143,330.07/x
  3. Step 3: Cross multiply
    409,567.26x = 614,627.55 × 143,330.07
  4. Step 4: Simplify right side
    409,567.26x = 88,094,609,765.43
  5. Step 5: Solve for x
    x = 88,094,609,765.43/409,567.26
  6. Step 6: Final answer
    x = 215,091.92

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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.