Home / 321,064.05-443,075.76-175,883.70

Finding the Fourth Proportional to 321,064.05, 443,075.76 and 175,883.70

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Solution

The fourth proportional to 321,064.05, 443,075.76 and 175,883.70 is: 242,723.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,064.05 : 443,075.76 = 175,883.70 : x
  2. Step 2: Convert to fraction form
    321,064.05/443,075.76 = 175,883.70/x
  3. Step 3: Cross multiply
    321,064.05x = 443,075.76 × 175,883.70
  4. Step 4: Simplify right side
    321,064.05x = 77,929,804,049.11
  5. Step 5: Solve for x
    x = 77,929,804,049.11/321,064.05
  6. Step 6: Final answer
    x = 242,723.54

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1.5x scale

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.