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Finding the Fourth Proportional to 366,162.70, 549,303.31 and 113,383.78

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Solution

The fourth proportional to 366,162.70, 549,303.31 and 113,383.78 is: 170,094.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,162.70 : 549,303.31 = 113,383.78 : x
  2. Step 2: Convert to fraction form
    366,162.70/549,303.31 = 113,383.78/x
  3. Step 3: Cross multiply
    366,162.70x = 549,303.31 × 113,383.78
  4. Step 4: Simplify right side
    366,162.70x = 62,282,085,654.31
  5. Step 5: Solve for x
    x = 62,282,085,654.31/366,162.70
  6. Step 6: Final answer
    x = 170,094.02

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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.