Home / 495,742.72-684,129.12-269,388.16

Finding the Fourth Proportional to 495,742.72, 684,129.12 and 269,388.16

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Solution

The fourth proportional to 495,742.72, 684,129.12 and 269,388.16 is: 371,757.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,742.72 : 684,129.12 = 269,388.16 : x
  2. Step 2: Convert to fraction form
    495,742.72/684,129.12 = 269,388.16/x
  3. Step 3: Cross multiply
    495,742.72x = 684,129.12 × 269,388.16
  4. Step 4: Simplify right side
    495,742.72x = 184,296,284,839.22
  5. Step 5: Solve for x
    x = 184,296,284,839.22/495,742.72
  6. Step 6: Final answer
    x = 371,757.92

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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.