Home / 250,419.80-345,577.34-137,242.28

Finding the Fourth Proportional to 250,419.80, 345,577.34 and 137,242.28

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Solution

The fourth proportional to 250,419.80, 345,577.34 and 137,242.28 is: 189,393.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,419.80 : 345,577.34 = 137,242.28 : x
  2. Step 2: Convert to fraction form
    250,419.80/345,577.34 = 137,242.28/x
  3. Step 3: Cross multiply
    250,419.80x = 345,577.34 × 137,242.28
  4. Step 4: Simplify right side
    250,419.80x = 47,427,822,057.94
  5. Step 5: Solve for x
    x = 47,427,822,057.94/250,419.80
  6. Step 6: Final answer
    x = 189,393.26

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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.