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Finding the Fourth Proportional to 404,235.90, 606,355.65 and 104,695.20

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Solution

The fourth proportional to 404,235.90, 606,355.65 and 104,695.20 is: 157,043.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,235.90 : 606,355.65 = 104,695.20 : x
  2. Step 2: Convert to fraction form
    404,235.90/606,355.65 = 104,695.20/x
  3. Step 3: Cross multiply
    404,235.90x = 606,355.65 × 104,695.20
  4. Step 4: Simplify right side
    404,235.90x = 63,482,526,047.88
  5. Step 5: Solve for x
    x = 63,482,526,047.88/404,235.90
  6. Step 6: Final answer
    x = 157,043.27

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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.