Home / 499,385.76-749,075.04-199,935.48

Finding the Fourth Proportional to 499,385.76, 749,075.04 and 199,935.48

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Solution

The fourth proportional to 499,385.76, 749,075.04 and 199,935.48 is: 299,901.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,385.76 : 749,075.04 = 199,935.48 : x
  2. Step 2: Convert to fraction form
    499,385.76/749,075.04 = 199,935.48/x
  3. Step 3: Cross multiply
    499,385.76x = 749,075.04 × 199,935.48
  4. Step 4: Simplify right side
    499,385.76x = 149,766,677,678.42
  5. Step 5: Solve for x
    x = 149,766,677,678.42/499,385.76
  6. Step 6: Final answer
    x = 299,901.78

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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.