Home / 469,868.06-648,418.36-255,008.18

Finding the Fourth Proportional to 469,868.06, 648,418.36 and 255,008.18

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Solution

The fourth proportional to 469,868.06, 648,418.36 and 255,008.18 is: 351,911.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,868.06 : 648,418.36 = 255,008.18 : x
  2. Step 2: Convert to fraction form
    469,868.06/648,418.36 = 255,008.18/x
  3. Step 3: Cross multiply
    469,868.06x = 648,418.36 × 255,008.18
  4. Step 4: Simplify right side
    469,868.06x = 165,351,985,862.19
  5. Step 5: Solve for x
    x = 165,351,985,862.19/469,868.06
  6. Step 6: Final answer
    x = 351,911.53

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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.