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Finding the Fourth Proportional to 329,284.16, 493,868.82 and 92,570.57

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Solution

The fourth proportional to 329,284.16, 493,868.82 and 92,570.57 is: 138,839.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,284.16 : 493,868.82 = 92,570.57 : x
  2. Step 2: Convert to fraction form
    329,284.16/493,868.82 = 92,570.57/x
  3. Step 3: Cross multiply
    329,284.16x = 493,868.82 × 92,570.57
  4. Step 4: Simplify right side
    329,284.16x = 45,717,715,703.28
  5. Step 5: Solve for x
    x = 45,717,715,703.28/329,284.16
  6. Step 6: Final answer
    x = 138,839.71

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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.