Home / 272,847.28-376,479.28-151,985.56

Finding the Fourth Proportional to 272,847.28, 376,479.28 and 151,985.56

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Solution

The fourth proportional to 272,847.28, 376,479.28 and 151,985.56 is: 209,712.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,847.28 : 376,479.28 = 151,985.56 : x
  2. Step 2: Convert to fraction form
    272,847.28/376,479.28 = 151,985.56/x
  3. Step 3: Cross multiply
    272,847.28x = 376,479.28 × 151,985.56
  4. Step 4: Simplify right side
    272,847.28x = 57,219,414,199.20
  5. Step 5: Solve for x
    x = 57,219,414,199.20/272,847.28
  6. Step 6: Final answer
    x = 209,712.24

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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.