Home / 261,527.22-360,945.28-145,267.21

Finding the Fourth Proportional to 261,527.22, 360,945.28 and 145,267.21

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Solution

The fourth proportional to 261,527.22, 360,945.28 and 145,267.21 is: 200,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,527.22 : 360,945.28 = 145,267.21 : x
  2. Step 2: Convert to fraction form
    261,527.22/360,945.28 = 145,267.21/x
  3. Step 3: Cross multiply
    261,527.22x = 360,945.28 × 145,267.21
  4. Step 4: Simplify right side
    261,527.22x = 52,433,513,788.27
  5. Step 5: Solve for x
    x = 52,433,513,788.27/261,527.22
  6. Step 6: Final answer
    x = 200,489.70

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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.