Home / 253,526.58-380,261.07-66,552.66

Finding the Fourth Proportional to 253,526.58, 380,261.07 and 66,552.66

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Solution

The fourth proportional to 253,526.58, 380,261.07 and 66,552.66 is: 99,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,526.58 : 380,261.07 = 66,552.66 : x
  2. Step 2: Convert to fraction form
    253,526.58/380,261.07 = 66,552.66/x
  3. Step 3: Cross multiply
    253,526.58x = 380,261.07 × 66,552.66
  4. Step 4: Simplify right side
    253,526.58x = 25,307,385,702.95
  5. Step 5: Solve for x
    x = 25,307,385,702.95/253,526.58
  6. Step 6: Final answer
    x = 99,821.43

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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.