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Finding the Fourth Proportional to 495,888.27, 684,311.43 and 281,048.19

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Solution

The fourth proportional to 495,888.27, 684,311.43 and 281,048.19 is: 387,838.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,888.27 : 684,311.43 = 281,048.19 : x
  2. Step 2: Convert to fraction form
    495,888.27/684,311.43 = 281,048.19/x
  3. Step 3: Cross multiply
    495,888.27x = 684,311.43 × 281,048.19
  4. Step 4: Simplify right side
    495,888.27x = 192,324,488,797.81
  5. Step 5: Solve for x
    x = 192,324,488,797.81/495,888.27
  6. Step 6: Final answer
    x = 387,838.35

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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.