Home / 253,614.48-349,999.05-140,437.23

Finding the Fourth Proportional to 253,614.48, 349,999.05 and 140,437.23

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Solution

The fourth proportional to 253,614.48, 349,999.05 and 140,437.23 is: 193,809.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,614.48 : 349,999.05 = 140,437.23 : x
  2. Step 2: Convert to fraction form
    253,614.48/349,999.05 = 140,437.23/x
  3. Step 3: Cross multiply
    253,614.48x = 349,999.05 × 140,437.23
  4. Step 4: Simplify right side
    253,614.48x = 49,152,897,084.63
  5. Step 5: Solve for x
    x = 49,152,897,084.63/253,614.48
  6. Step 6: Final answer
    x = 193,809.51

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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.