Home / 253,498.06-349,827.32-140,320.81

Finding the Fourth Proportional to 253,498.06, 349,827.32 and 140,320.81

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Solution

The fourth proportional to 253,498.06, 349,827.32 and 140,320.81 is: 193,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,498.06 : 349,827.32 = 140,320.81 : x
  2. Step 2: Convert to fraction form
    253,498.06/349,827.32 = 140,320.81/x
  3. Step 3: Cross multiply
    253,498.06x = 349,827.32 × 140,320.81
  4. Step 4: Simplify right side
    253,498.06x = 49,088,052,378.76
  5. Step 5: Solve for x
    x = 49,088,052,378.76/253,498.06
  6. Step 6: Final answer
    x = 193,642.72

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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.