Home / 541,461.22-812,330.07-162,380.50

Finding the Fourth Proportional to 541,461.22, 812,330.07 and 162,380.50

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Solution

The fourth proportional to 541,461.22, 812,330.07 and 162,380.50 is: 243,612.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,461.22 : 812,330.07 = 162,380.50 : x
  2. Step 2: Convert to fraction form
    541,461.22/812,330.07 = 162,380.50/x
  3. Step 3: Cross multiply
    541,461.22x = 812,330.07 × 162,380.50
  4. Step 4: Simplify right side
    541,461.22x = 131,906,562,931.64
  5. Step 5: Solve for x
    x = 131,906,562,931.64/541,461.22
  6. Step 6: Final answer
    x = 243,612.21

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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.