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Finding the Fourth Proportional to 417,159.90, 575,692.00 and 235,898.96

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Solution

The fourth proportional to 417,159.90, 575,692.00 and 235,898.96 is: 325,546.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,159.90 : 575,692.00 = 235,898.96 : x
  2. Step 2: Convert to fraction form
    417,159.90/575,692.00 = 235,898.96/x
  3. Step 3: Cross multiply
    417,159.90x = 575,692.00 × 235,898.96
  4. Step 4: Simplify right side
    417,159.90x = 135,805,140,612.11
  5. Step 5: Solve for x
    x = 135,805,140,612.11/417,159.90
  6. Step 6: Final answer
    x = 325,546.97

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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.