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Finding the Fourth Proportional to 495,689.22, 684,049.86 and 269,334.72

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Solution

The fourth proportional to 495,689.22, 684,049.86 and 269,334.72 is: 371,681.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,689.22 : 684,049.86 = 269,334.72 : x
  2. Step 2: Convert to fraction form
    495,689.22/684,049.86 = 269,334.72/x
  3. Step 3: Cross multiply
    495,689.22x = 684,049.86 × 269,334.72
  4. Step 4: Simplify right side
    495,689.22x = 184,238,377,509.14
  5. Step 5: Solve for x
    x = 184,238,377,509.14/495,689.22
  6. Step 6: Final answer
    x = 371,681.23

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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.