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Finding the Fourth Proportional to 182,670.20, 273,875.70 and 82,878.20

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Solution

The fourth proportional to 182,670.20, 273,875.70 and 82,878.20 is: 124,258.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,670.20 : 273,875.70 = 82,878.20 : x
  2. Step 2: Convert to fraction form
    182,670.20/273,875.70 = 82,878.20/x
  3. Step 3: Cross multiply
    182,670.20x = 273,875.70 × 82,878.20
  4. Step 4: Simplify right side
    182,670.20x = 22,698,325,039.74
  5. Step 5: Solve for x
    x = 22,698,325,039.74/182,670.20
  6. Step 6: Final answer
    x = 124,258.50

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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.