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Finding the Fourth Proportional to 484,663.60, 727,110.60 and 204,036.40

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Solution

The fourth proportional to 484,663.60, 727,110.60 and 204,036.40 is: 306,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,663.60 : 727,110.60 = 204,036.40 : x
  2. Step 2: Convert to fraction form
    484,663.60/727,110.60 = 204,036.40/x
  3. Step 3: Cross multiply
    484,663.60x = 727,110.60 × 204,036.40
  4. Step 4: Simplify right side
    484,663.60x = 148,357,029,225.84
  5. Step 5: Solve for x
    x = 148,357,029,225.84/484,663.60
  6. Step 6: Final answer
    x = 306,103.10

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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.