Home / 253,278.58-349,543.38-144,385.50

Finding the Fourth Proportional to 253,278.58, 349,543.38 and 144,385.50

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Solution

The fourth proportional to 253,278.58, 349,543.38 and 144,385.50 is: 199,262.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,278.58 : 349,543.38 = 144,385.50 : x
  2. Step 2: Convert to fraction form
    253,278.58/349,543.38 = 144,385.50/x
  3. Step 3: Cross multiply
    253,278.58x = 349,543.38 × 144,385.50
  4. Step 4: Simplify right side
    253,278.58x = 50,468,995,692.99
  5. Step 5: Solve for x
    x = 50,468,995,692.99/253,278.58
  6. Step 6: Final answer
    x = 199,262.79

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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.