Home / 316,277.43-474,416.57-129,288.93

Finding the Fourth Proportional to 316,277.43, 474,416.57 and 129,288.93

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Solution

The fourth proportional to 316,277.43, 474,416.57 and 129,288.93 is: 193,933.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,277.43 : 474,416.57 = 129,288.93 : x
  2. Step 2: Convert to fraction form
    316,277.43/474,416.57 = 129,288.93/x
  3. Step 3: Cross multiply
    316,277.43x = 474,416.57 × 129,288.93
  4. Step 4: Simplify right side
    316,277.43x = 61,336,810,709.57
  5. Step 5: Solve for x
    x = 61,336,810,709.57/316,277.43
  6. Step 6: Final answer
    x = 193,933.57

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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.