Home / 371,371.05-512,747.28-250,681.46

Finding the Fourth Proportional to 371,371.05, 512,747.28 and 250,681.46

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Solution

The fourth proportional to 371,371.05, 512,747.28 and 250,681.46 is: 346,112.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,371.05 : 512,747.28 = 250,681.46 : x
  2. Step 2: Convert to fraction form
    371,371.05/512,747.28 = 250,681.46/x
  3. Step 3: Cross multiply
    371,371.05x = 512,747.28 × 250,681.46
  4. Step 4: Simplify right side
    371,371.05x = 128,536,234,582.23
  5. Step 5: Solve for x
    x = 128,536,234,582.23/371,371.05
  6. Step 6: Final answer
    x = 346,112.69

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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.