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Finding the Fourth Proportional to 360,897.88, 542,047.46 and 265,752.28

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Solution

The fourth proportional to 360,897.88, 542,047.46 and 265,752.28 is: 399,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,897.88 : 542,047.46 = 265,752.28 : x
  2. Step 2: Convert to fraction form
    360,897.88/542,047.46 = 265,752.28/x
  3. Step 3: Cross multiply
    360,897.88x = 542,047.46 × 265,752.28
  4. Step 4: Simplify right side
    360,897.88x = 144,050,348,363.21
  5. Step 5: Solve for x
    x = 144,050,348,363.21/360,897.88
  6. Step 6: Final answer
    x = 399,144.35

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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.