Home / 236,411.10-354,847.05-118,215.90

Finding the Fourth Proportional to 236,411.10, 354,847.05 and 118,215.90

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Solution

The fourth proportional to 236,411.10, 354,847.05 and 118,215.90 is: 177,439.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,411.10 : 354,847.05 = 118,215.90 : x
  2. Step 2: Convert to fraction form
    236,411.10/354,847.05 = 118,215.90/x
  3. Step 3: Cross multiply
    236,411.10x = 354,847.05 × 118,215.90
  4. Step 4: Simplify right side
    236,411.10x = 41,948,563,378.10
  5. Step 5: Solve for x
    x = 41,948,563,378.10/236,411.10
  6. Step 6: Final answer
    x = 177,439.06

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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.