Home / 328,746.12-453,668.70-177,843

Finding the Fourth Proportional to 328,746.12, 453,668.70 and 177,843

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Solution

The fourth proportional to 328,746.12, 453,668.70 and 177,843 is: 245,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,746.12 : 453,668.70 = 177,843 : x
  2. Step 2: Convert to fraction form
    328,746.12/453,668.70 = 177,843/x
  3. Step 3: Cross multiply
    328,746.12x = 453,668.70 × 177,843
  4. Step 4: Simplify right side
    328,746.12x = 80,681,802,614.10
  5. Step 5: Solve for x
    x = 80,681,802,614.10/328,746.12
  6. Step 6: Final answer
    x = 245,422.83

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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.