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Finding the Fourth Proportional to 495,687.84, 684,055.44 and 269,337.12

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Solution

The fourth proportional to 495,687.84, 684,055.44 and 269,337.12 is: 371,688.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,687.84 : 684,055.44 = 269,337.12 : x
  2. Step 2: Convert to fraction form
    495,687.84/684,055.44 = 269,337.12/x
  3. Step 3: Cross multiply
    495,687.84x = 684,055.44 × 269,337.12
  4. Step 4: Simplify right side
    495,687.84x = 184,241,522,129.93
  5. Step 5: Solve for x
    x = 184,241,522,129.93/495,687.84
  6. Step 6: Final answer
    x = 371,688.61

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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.