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Finding the Fourth Proportional to 276,093.40, 413,556.90 and 229,437.40

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Solution

The fourth proportional to 276,093.40, 413,556.90 and 229,437.40 is: 343,671.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,093.40 : 413,556.90 = 229,437.40 : x
  2. Step 2: Convert to fraction form
    276,093.40/413,556.90 = 229,437.40/x
  3. Step 3: Cross multiply
    276,093.40x = 413,556.90 × 229,437.40
  4. Step 4: Simplify right side
    276,093.40x = 94,885,419,888.06
  5. Step 5: Solve for x
    x = 94,885,419,888.06/276,093.40
  6. Step 6: Final answer
    x = 343,671.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.