Home / 257,945.50-356,106.03-180,540.28

Finding the Fourth Proportional to 257,945.50, 356,106.03 and 180,540.28

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Solution

The fourth proportional to 257,945.50, 356,106.03 and 180,540.28 is: 249,244.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,945.50 : 356,106.03 = 180,540.28 : x
  2. Step 2: Convert to fraction form
    257,945.50/356,106.03 = 180,540.28/x
  3. Step 3: Cross multiply
    257,945.50x = 356,106.03 × 180,540.28
  4. Step 4: Simplify right side
    257,945.50x = 64,291,482,365.89
  5. Step 5: Solve for x
    x = 64,291,482,365.89/257,945.50
  6. Step 6: Final answer
    x = 249,244.44

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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.