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Finding the Fourth Proportional to 363,321.60, 544,427.20 and 152,844.16

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Solution

The fourth proportional to 363,321.60, 544,427.20 and 152,844.16 is: 229,032.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,321.60 : 544,427.20 = 152,844.16 : x
  2. Step 2: Convert to fraction form
    363,321.60/544,427.20 = 152,844.16/x
  3. Step 3: Cross multiply
    363,321.60x = 544,427.20 × 152,844.16
  4. Step 4: Simplify right side
    363,321.60x = 83,212,518,065.15
  5. Step 5: Solve for x
    x = 83,212,518,065.15/363,321.60
  6. Step 6: Final answer
    x = 229,032.68

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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.