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Finding the Fourth Proportional to 181,950.60, 272,925.90 and 165,329.40

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Solution

The fourth proportional to 181,950.60, 272,925.90 and 165,329.40 is: 247,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,950.60 : 272,925.90 = 165,329.40 : x
  2. Step 2: Convert to fraction form
    181,950.60/272,925.90 = 165,329.40/x
  3. Step 3: Cross multiply
    181,950.60x = 272,925.90 × 165,329.40
  4. Step 4: Simplify right side
    181,950.60x = 45,122,675,291.46
  5. Step 5: Solve for x
    x = 45,122,675,291.46/181,950.60
  6. Step 6: Final answer
    x = 247,994.10

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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.