Home / 272,942.79-376,656.03-152,081.48

Finding the Fourth Proportional to 272,942.79, 376,656.03 and 152,081.48

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Solution

The fourth proportional to 272,942.79, 376,656.03 and 152,081.48 is: 209,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,942.79 : 376,656.03 = 152,081.48 : x
  2. Step 2: Convert to fraction form
    272,942.79/376,656.03 = 152,081.48/x
  3. Step 3: Cross multiply
    272,942.79x = 376,656.03 × 152,081.48
  4. Step 4: Simplify right side
    272,942.79x = 57,282,404,610.04
  5. Step 5: Solve for x
    x = 57,282,404,610.04/272,942.79
  6. Step 6: Final answer
    x = 209,869.64

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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.