Home / 402,227.12-555,075.70-220,933.02

Finding the Fourth Proportional to 402,227.12, 555,075.70 and 220,933.02

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Solution

The fourth proportional to 402,227.12, 555,075.70 and 220,933.02 is: 304,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,227.12 : 555,075.70 = 220,933.02 : x
  2. Step 2: Convert to fraction form
    402,227.12/555,075.70 = 220,933.02/x
  3. Step 3: Cross multiply
    402,227.12x = 555,075.70 × 220,933.02
  4. Step 4: Simplify right side
    402,227.12x = 122,634,550,729.61
  5. Step 5: Solve for x
    x = 122,634,550,729.61/402,227.12
  6. Step 6: Final answer
    x = 304,888.82

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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.