Home / 215,394.10-297,271.73-123,549.19

Finding the Fourth Proportional to 215,394.10, 297,271.73 and 123,549.19

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Solution

The fourth proportional to 215,394.10, 297,271.73 and 123,549.19 is: 170,513.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,394.10 : 297,271.73 = 123,549.19 : x
  2. Step 2: Convert to fraction form
    215,394.10/297,271.73 = 123,549.19/x
  3. Step 3: Cross multiply
    215,394.10x = 297,271.73 × 123,549.19
  4. Step 4: Simplify right side
    215,394.10x = 36,727,681,451.40
  5. Step 5: Solve for x
    x = 36,727,681,451.40/215,394.10
  6. Step 6: Final answer
    x = 170,513.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.