Home / 389,364.58-584,043.18-123,125.14

Finding the Fourth Proportional to 389,364.58, 584,043.18 and 123,125.14

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Solution

The fourth proportional to 389,364.58, 584,043.18 and 123,125.14 is: 184,686.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,364.58 : 584,043.18 = 123,125.14 : x
  2. Step 2: Convert to fraction form
    389,364.58/584,043.18 = 123,125.14/x
  3. Step 3: Cross multiply
    389,364.58x = 584,043.18 × 123,125.14
  4. Step 4: Simplify right side
    389,364.58x = 71,910,398,303.55
  5. Step 5: Solve for x
    x = 71,910,398,303.55/389,364.58
  6. Step 6: Final answer
    x = 184,686.54

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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.