Home / 268,527.47-402,791.18-127,859.63

Finding the Fourth Proportional to 268,527.47, 402,791.18 and 127,859.63

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Solution

The fourth proportional to 268,527.47, 402,791.18 and 127,859.63 is: 191,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,527.47 : 402,791.18 = 127,859.63 : x
  2. Step 2: Convert to fraction form
    268,527.47/402,791.18 = 127,859.63/x
  3. Step 3: Cross multiply
    268,527.47x = 402,791.18 × 127,859.63
  4. Step 4: Simplify right side
    268,527.47x = 51,500,731,242.06
  5. Step 5: Solve for x
    x = 51,500,731,242.06/268,527.47
  6. Step 6: Final answer
    x = 191,789.43

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1.5x scale

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.