Home / 458,525.13-687,566.48-192,214.14

Finding the Fourth Proportional to 458,525.13, 687,566.48 and 192,214.14

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Solution

The fourth proportional to 458,525.13, 687,566.48 and 192,214.14 is: 288,228.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,525.13 : 687,566.48 = 192,214.14 : x
  2. Step 2: Convert to fraction form
    458,525.13/687,566.48 = 192,214.14/x
  3. Step 3: Cross multiply
    458,525.13x = 687,566.48 × 192,214.14
  4. Step 4: Simplify right side
    458,525.13x = 132,159,999,646.03
  5. Step 5: Solve for x
    x = 132,159,999,646.03/458,525.13
  6. Step 6: Final answer
    x = 288,228.48

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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.