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Finding the Fourth Proportional to 416,692.20, 575,024.22 and 235,422.84

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Solution

The fourth proportional to 416,692.20, 575,024.22 and 235,422.84 is: 324,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,692.20 : 575,024.22 = 235,422.84 : x
  2. Step 2: Convert to fraction form
    416,692.20/575,024.22 = 235,422.84/x
  3. Step 3: Cross multiply
    416,692.20x = 575,024.22 × 235,422.84
  4. Step 4: Simplify right side
    416,692.20x = 135,373,834,941.19
  5. Step 5: Solve for x
    x = 135,373,834,941.19/416,692.20
  6. Step 6: Final answer
    x = 324,877.30

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1.5x scale

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.