Home / 264,877.20-397,776.60-140,461.20

Finding the Fourth Proportional to 264,877.20, 397,776.60 and 140,461.20

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Solution

The fourth proportional to 264,877.20, 397,776.60 and 140,461.20 is: 210,936.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,877.20 : 397,776.60 = 140,461.20 : x
  2. Step 2: Convert to fraction form
    264,877.20/397,776.60 = 140,461.20/x
  3. Step 3: Cross multiply
    264,877.20x = 397,776.60 × 140,461.20
  4. Step 4: Simplify right side
    264,877.20x = 55,872,178,567.92
  5. Step 5: Solve for x
    x = 55,872,178,567.92/264,877.20
  6. Step 6: Final answer
    x = 210,936.16

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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.