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Finding the Fourth Proportional to 277,604.64, 383,740.04 and 247,686.48

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Solution

The fourth proportional to 277,604.64, 383,740.04 and 247,686.48 is: 342,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,604.64 : 383,740.04 = 247,686.48 : x
  2. Step 2: Convert to fraction form
    277,604.64/383,740.04 = 247,686.48/x
  3. Step 3: Cross multiply
    277,604.64x = 383,740.04 × 247,686.48
  4. Step 4: Simplify right side
    277,604.64x = 95,047,219,742.66
  5. Step 5: Solve for x
    x = 95,047,219,742.66/277,604.64
  6. Step 6: Final answer
    x = 342,383.40

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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.