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Finding the Fourth Proportional to 276,858.76, 382,068.66 and 163,680.52

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Solution

The fourth proportional to 276,858.76, 382,068.66 and 163,680.52 is: 225,881.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,858.76 : 382,068.66 = 163,680.52 : x
  2. Step 2: Convert to fraction form
    276,858.76/382,068.66 = 163,680.52/x
  3. Step 3: Cross multiply
    276,858.76x = 382,068.66 × 163,680.52
  4. Step 4: Simplify right side
    276,858.76x = 62,537,196,944.50
  5. Step 5: Solve for x
    x = 62,537,196,944.50/276,858.76
  6. Step 6: Final answer
    x = 225,881.23

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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.