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Finding the Fourth Proportional to 244,595.40, 366,929.55 and 86,810.64

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Solution

The fourth proportional to 244,595.40, 366,929.55 and 86,810.64 is: 130,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,595.40 : 366,929.55 = 86,810.64 : x
  2. Step 2: Convert to fraction form
    244,595.40/366,929.55 = 86,810.64/x
  3. Step 3: Cross multiply
    244,595.40x = 366,929.55 × 86,810.64
  4. Step 4: Simplify right side
    244,595.40x = 31,853,389,070.41
  5. Step 5: Solve for x
    x = 31,853,389,070.41/244,595.40
  6. Step 6: Final answer
    x = 130,228.90

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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.