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Finding the Fourth Proportional to 499,377.21, 749,140.40 and 183,810.12

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Solution

The fourth proportional to 499,377.21, 749,140.40 and 183,810.12 is: 275,742.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,377.21 : 749,140.40 = 183,810.12 : x
  2. Step 2: Convert to fraction form
    499,377.21/749,140.40 = 183,810.12/x
  3. Step 3: Cross multiply
    499,377.21x = 749,140.40 × 183,810.12
  4. Step 4: Simplify right side
    499,377.21x = 137,699,586,820.85
  5. Step 5: Solve for x
    x = 137,699,586,820.85/499,377.21
  6. Step 6: Final answer
    x = 275,742.63

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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.