Home / 285,347.09-428,007.33-116,825.76

Finding the Fourth Proportional to 285,347.09, 428,007.33 and 116,825.76

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Solution

The fourth proportional to 285,347.09, 428,007.33 and 116,825.76 is: 175,233.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,347.09 : 428,007.33 = 116,825.76 : x
  2. Step 2: Convert to fraction form
    285,347.09/428,007.33 = 116,825.76/x
  3. Step 3: Cross multiply
    285,347.09x = 428,007.33 × 116,825.76
  4. Step 4: Simplify right side
    285,347.09x = 50,002,281,612.82
  5. Step 5: Solve for x
    x = 50,002,281,612.82/285,347.09
  6. Step 6: Final answer
    x = 175,233.19

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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.