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Finding the Fourth Proportional to 472,626.66, 652,280.85 and 268,708.35

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Solution

The fourth proportional to 472,626.66, 652,280.85 and 268,708.35 is: 370,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,626.66 : 652,280.85 = 268,708.35 : x
  2. Step 2: Convert to fraction form
    472,626.66/652,280.85 = 268,708.35/x
  3. Step 3: Cross multiply
    472,626.66x = 652,280.85 × 268,708.35
  4. Step 4: Simplify right side
    472,626.66x = 175,273,310,940.10
  5. Step 5: Solve for x
    x = 175,273,310,940.10/472,626.66
  6. Step 6: Final answer
    x = 370,849.40

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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.