Home / 372,274.20-558,411.30-268,075.80

Finding the Fourth Proportional to 372,274.20, 558,411.30 and 268,075.80

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Solution

The fourth proportional to 372,274.20, 558,411.30 and 268,075.80 is: 402,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,274.20 : 558,411.30 = 268,075.80 : x
  2. Step 2: Convert to fraction form
    372,274.20/558,411.30 = 268,075.80/x
  3. Step 3: Cross multiply
    372,274.20x = 558,411.30 × 268,075.80
  4. Step 4: Simplify right side
    372,274.20x = 149,696,555,976.54
  5. Step 5: Solve for x
    x = 149,696,555,976.54/372,274.20
  6. Step 6: Final answer
    x = 402,113.70

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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.