Home / 304,531.40-455,501.10-273,168.20

Finding the Fourth Proportional to 304,531.40, 455,501.10 and 273,168.20

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Solution

The fourth proportional to 304,531.40, 455,501.10 and 273,168.20 is: 408,589.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,531.40 : 455,501.10 = 273,168.20 : x
  2. Step 2: Convert to fraction form
    304,531.40/455,501.10 = 273,168.20/x
  3. Step 3: Cross multiply
    304,531.40x = 455,501.10 × 273,168.20
  4. Step 4: Simplify right side
    304,531.40x = 124,428,415,585.02
  5. Step 5: Solve for x
    x = 124,428,415,585.02/304,531.40
  6. Step 6: Final answer
    x = 408,589.77

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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.