Home / 389,537.20-584,247.18-123,263.08

Finding the Fourth Proportional to 389,537.20, 584,247.18 and 123,263.08

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Solution

The fourth proportional to 389,537.20, 584,247.18 and 123,263.08 is: 184,876.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,537.20 : 584,247.18 = 123,263.08 : x
  2. Step 2: Convert to fraction form
    389,537.20/584,247.18 = 123,263.08/x
  3. Step 3: Cross multiply
    389,537.20x = 584,247.18 × 123,263.08
  4. Step 4: Simplify right side
    389,537.20x = 72,016,106,888.11
  5. Step 5: Solve for x
    x = 72,016,106,888.11/389,537.20
  6. Step 6: Final answer
    x = 184,876.07

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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.