Home / 272,585.10-376,167.40-151,723.78

Finding the Fourth Proportional to 272,585.10, 376,167.40 and 151,723.78

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Solution

The fourth proportional to 272,585.10, 376,167.40 and 151,723.78 is: 209,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,585.10 : 376,167.40 = 151,723.78 : x
  2. Step 2: Convert to fraction form
    272,585.10/376,167.40 = 151,723.78/x
  3. Step 3: Cross multiply
    272,585.10x = 376,167.40 × 151,723.78
  4. Step 4: Simplify right side
    272,585.10x = 57,073,539,840.77
  5. Step 5: Solve for x
    x = 57,073,539,840.77/272,585.10
  6. Step 6: Final answer
    x = 209,378.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.