Home / 362,692.28-500,372.03-209,702.45

Finding the Fourth Proportional to 362,692.28, 500,372.03 and 209,702.45

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Solution

The fourth proportional to 362,692.28, 500,372.03 and 209,702.45 is: 289,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,692.28 : 500,372.03 = 209,702.45 : x
  2. Step 2: Convert to fraction form
    362,692.28/500,372.03 = 209,702.45/x
  3. Step 3: Cross multiply
    362,692.28x = 500,372.03 × 209,702.45
  4. Step 4: Simplify right side
    362,692.28x = 104,929,237,052.10
  5. Step 5: Solve for x
    x = 104,929,237,052.10/362,692.28
  6. Step 6: Final answer
    x = 289,306.51

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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.