Home / 268,000.60-401,344.80-127,595.20

Finding the Fourth Proportional to 268,000.60, 401,344.80 and 127,595.20

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Solution

The fourth proportional to 268,000.60, 401,344.80 and 127,595.20 is: 191,080.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,000.60 : 401,344.80 = 127,595.20 : x
  2. Step 2: Convert to fraction form
    268,000.60/401,344.80 = 127,595.20/x
  3. Step 3: Cross multiply
    268,000.60x = 401,344.80 × 127,595.20
  4. Step 4: Simplify right side
    268,000.60x = 51,209,670,024.96
  5. Step 5: Solve for x
    x = 51,209,670,024.96/268,000.60
  6. Step 6: Final answer
    x = 191,080.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.