Home / 253,498.12-349,827.41-140,320.87

Finding the Fourth Proportional to 253,498.12, 349,827.41 and 140,320.87

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Solution

The fourth proportional to 253,498.12, 349,827.41 and 140,320.87 is: 193,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,498.12 : 349,827.41 = 140,320.87 : x
  2. Step 2: Convert to fraction form
    253,498.12/349,827.41 = 140,320.87/x
  3. Step 3: Cross multiply
    253,498.12x = 349,827.41 × 140,320.87
  4. Step 4: Simplify right side
    253,498.12x = 49,088,085,295.68
  5. Step 5: Solve for x
    x = 49,088,085,295.68/253,498.12
  6. Step 6: Final answer
    x = 193,642.80

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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.