Home / 389,281.38-583,740.63-202,242.66

Finding the Fourth Proportional to 389,281.38, 583,740.63 and 202,242.66

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Solution

The fourth proportional to 389,281.38, 583,740.63 and 202,242.66 is: 303,269.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,281.38 : 583,740.63 = 202,242.66 : x
  2. Step 2: Convert to fraction form
    389,281.38/583,740.63 = 202,242.66/x
  3. Step 3: Cross multiply
    389,281.38x = 583,740.63 × 202,242.66
  4. Step 4: Simplify right side
    389,281.38x = 118,057,257,761.28
  5. Step 5: Solve for x
    x = 118,057,257,761.28/389,281.38
  6. Step 6: Final answer
    x = 303,269.73

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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.