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Finding the Fourth Proportional to 577,138.08, 866,016.60 and 240,411.36

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Solution

The fourth proportional to 577,138.08, 866,016.60 and 240,411.36 is: 360,745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,138.08 : 866,016.60 = 240,411.36 : x
  2. Step 2: Convert to fraction form
    577,138.08/866,016.60 = 240,411.36/x
  3. Step 3: Cross multiply
    577,138.08x = 866,016.60 × 240,411.36
  4. Step 4: Simplify right side
    577,138.08x = 208,200,228,588.58
  5. Step 5: Solve for x
    x = 208,200,228,588.58/577,138.08
  6. Step 6: Final answer
    x = 360,745.96

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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.