Home / 253,220.07-349,437.74-140,040.39

Finding the Fourth Proportional to 253,220.07, 349,437.74 and 140,040.39

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Solution

The fourth proportional to 253,220.07, 349,437.74 and 140,040.39 is: 193,252.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,220.07 : 349,437.74 = 140,040.39 : x
  2. Step 2: Convert to fraction form
    253,220.07/349,437.74 = 140,040.39/x
  3. Step 3: Cross multiply
    253,220.07x = 349,437.74 × 140,040.39
  4. Step 4: Simplify right side
    253,220.07x = 48,935,396,690.12
  5. Step 5: Solve for x
    x = 48,935,396,690.12/253,220.07
  6. Step 6: Final answer
    x = 193,252.44

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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.