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Finding the Fourth Proportional to 507,479.60, 761,231.75 and 170,525.13

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Solution

The fourth proportional to 507,479.60, 761,231.75 and 170,525.13 is: 255,791.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,479.60 : 761,231.75 = 170,525.13 : x
  2. Step 2: Convert to fraction form
    507,479.60/761,231.75 = 170,525.13/x
  3. Step 3: Cross multiply
    507,479.60x = 761,231.75 × 170,525.13
  4. Step 4: Simplify right side
    507,479.60x = 129,809,142,276.25
  5. Step 5: Solve for x
    x = 129,809,142,276.25/507,479.60
  6. Step 6: Final answer
    x = 255,791.85

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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.