Home / 324,142.29-447,438.95-243,801.82

Finding the Fourth Proportional to 324,142.29, 447,438.95 and 243,801.82

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Solution

The fourth proportional to 324,142.29, 447,438.95 and 243,801.82 is: 336,538.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,142.29 : 447,438.95 = 243,801.82 : x
  2. Step 2: Convert to fraction form
    324,142.29/447,438.95 = 243,801.82/x
  3. Step 3: Cross multiply
    324,142.29x = 447,438.95 × 243,801.82
  4. Step 4: Simplify right side
    324,142.29x = 109,086,428,925.54
  5. Step 5: Solve for x
    x = 109,086,428,925.54/324,142.29
  6. Step 6: Final answer
    x = 336,538.72

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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.