Home / 269,322.10-403,983.15-257,074.90

Finding the Fourth Proportional to 269,322.10, 403,983.15 and 257,074.90

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Solution

The fourth proportional to 269,322.10, 403,983.15 and 257,074.90 is: 385,612.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,322.10 : 403,983.15 = 257,074.90 : x
  2. Step 2: Convert to fraction form
    269,322.10/403,983.15 = 257,074.90/x
  3. Step 3: Cross multiply
    269,322.10x = 403,983.15 × 257,074.90
  4. Step 4: Simplify right side
    269,322.10x = 103,853,927,887.94
  5. Step 5: Solve for x
    x = 103,853,927,887.94/269,322.10
  6. Step 6: Final answer
    x = 385,612.35

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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.