Home / 285,332.24-428,081.67-127,523.79

Finding the Fourth Proportional to 285,332.24, 428,081.67 and 127,523.79

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Solution

The fourth proportional to 285,332.24, 428,081.67 and 127,523.79 is: 191,322.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,332.24 : 428,081.67 = 127,523.79 : x
  2. Step 2: Convert to fraction form
    285,332.24/428,081.67 = 127,523.79/x
  3. Step 3: Cross multiply
    285,332.24x = 428,081.67 × 127,523.79
  4. Step 4: Simplify right side
    285,332.24x = 54,590,596,987.93
  5. Step 5: Solve for x
    x = 54,590,596,987.93/285,332.24
  6. Step 6: Final answer
    x = 191,322.92

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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.