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Finding the Fourth Proportional to 242,952.48, 364,430.88 and 85,180.68

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Solution

The fourth proportional to 242,952.48, 364,430.88 and 85,180.68 is: 127,771.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,952.48 : 364,430.88 = 85,180.68 : x
  2. Step 2: Convert to fraction form
    242,952.48/364,430.88 = 85,180.68/x
  3. Step 3: Cross multiply
    242,952.48x = 364,430.88 × 85,180.68
  4. Step 4: Simplify right side
    242,952.48x = 31,042,470,171.40
  5. Step 5: Solve for x
    x = 31,042,470,171.40/242,952.48
  6. Step 6: Final answer
    x = 127,771.78

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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.