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Finding the Fourth Proportional to 181,421.60, 271,804.35 and 155,177.60

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Solution

The fourth proportional to 181,421.60, 271,804.35 and 155,177.60 is: 232,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,421.60 : 271,804.35 = 155,177.60 : x
  2. Step 2: Convert to fraction form
    181,421.60/271,804.35 = 155,177.60/x
  3. Step 3: Cross multiply
    181,421.60x = 271,804.35 × 155,177.60
  4. Step 4: Simplify right side
    181,421.60x = 42,177,946,702.56
  5. Step 5: Solve for x
    x = 42,177,946,702.56/181,421.60
  6. Step 6: Final answer
    x = 232,485.80

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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.