Home / 272,418.12-375,941.34-151,560.81

Finding the Fourth Proportional to 272,418.12, 375,941.34 and 151,560.81

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Solution

The fourth proportional to 272,418.12, 375,941.34 and 151,560.81 is: 209,156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,418.12 : 375,941.34 = 151,560.81 : x
  2. Step 2: Convert to fraction form
    272,418.12/375,941.34 = 151,560.81/x
  3. Step 3: Cross multiply
    272,418.12x = 375,941.34 × 151,560.81
  4. Step 4: Simplify right side
    272,418.12x = 56,977,974,002.89
  5. Step 5: Solve for x
    x = 56,977,974,002.89/272,418.12
  6. Step 6: Final answer
    x = 209,156.33

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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.