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Finding the Fourth Proportional to 185,005.40, 277,799.70 and 106,273.40

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Solution

The fourth proportional to 185,005.40, 277,799.70 and 106,273.40 is: 159,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,005.40 : 277,799.70 = 106,273.40 : x
  2. Step 2: Convert to fraction form
    185,005.40/277,799.70 = 106,273.40/x
  3. Step 3: Cross multiply
    185,005.40x = 277,799.70 × 106,273.40
  4. Step 4: Simplify right side
    185,005.40x = 29,522,718,637.98
  5. Step 5: Solve for x
    x = 29,522,718,637.98/185,005.40
  6. Step 6: Final answer
    x = 159,577.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.