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Finding the Fourth Proportional to 161,684.70, 242,527.05 and 152,499.30

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Solution

The fourth proportional to 161,684.70, 242,527.05 and 152,499.30 is: 228,748.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,684.70 : 242,527.05 = 152,499.30 : x
  2. Step 2: Convert to fraction form
    161,684.70/242,527.05 = 152,499.30/x
  3. Step 3: Cross multiply
    161,684.70x = 242,527.05 × 152,499.30
  4. Step 4: Simplify right side
    161,684.70x = 36,985,205,356.07
  5. Step 5: Solve for x
    x = 36,985,205,356.07/161,684.70
  6. Step 6: Final answer
    x = 228,748.95

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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.