Home / 253,498.72-349,824-140,319.04

Finding the Fourth Proportional to 253,498.72, 349,824 and 140,319.04

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Solution

The fourth proportional to 253,498.72, 349,824 and 140,319.04 is: 193,637.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,498.72 : 349,824 = 140,319.04 : x
  2. Step 2: Convert to fraction form
    253,498.72/349,824 = 140,319.04/x
  3. Step 3: Cross multiply
    253,498.72x = 349,824 × 140,319.04
  4. Step 4: Simplify right side
    253,498.72x = 49,086,967,848.96
  5. Step 5: Solve for x
    x = 49,086,967,848.96/253,498.72
  6. Step 6: Final answer
    x = 193,637.93

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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.