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Finding the Fourth Proportional to 181,871.40, 272,855.70 and 162,285.60

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Solution

The fourth proportional to 181,871.40, 272,855.70 and 162,285.60 is: 243,471.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,871.40 : 272,855.70 = 162,285.60 : x
  2. Step 2: Convert to fraction form
    181,871.40/272,855.70 = 162,285.60/x
  3. Step 3: Cross multiply
    181,871.40x = 272,855.70 × 162,285.60
  4. Step 4: Simplify right side
    181,871.40x = 44,280,550,987.92
  5. Step 5: Solve for x
    x = 44,280,550,987.92/181,871.40
  6. Step 6: Final answer
    x = 243,471.77

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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.