Home / 272,919.60-376,656.78-152,080.56

Finding the Fourth Proportional to 272,919.60, 376,656.78 and 152,080.56

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Solution

The fourth proportional to 272,919.60, 376,656.78 and 152,080.56 is: 209,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,919.60 : 376,656.78 = 152,080.56 : x
  2. Step 2: Convert to fraction form
    272,919.60/376,656.78 = 152,080.56/x
  3. Step 3: Cross multiply
    272,919.60x = 376,656.78 × 152,080.56
  4. Step 4: Simplify right side
    272,919.60x = 57,282,174,030.20
  5. Step 5: Solve for x
    x = 57,282,174,030.20/272,919.60
  6. Step 6: Final answer
    x = 209,886.63

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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.