Home / 808,218.70-1,212,284.10-247,253.20

Finding the Fourth Proportional to 808,218.70, 1,212,284.10 and 247,253.20

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Solution

The fourth proportional to 808,218.70, 1,212,284.10 and 247,253.20 is: 370,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,218.70 : 1,212,284.10 = 247,253.20 : x
  2. Step 2: Convert to fraction form
    808,218.70/1,212,284.10 = 247,253.20/x
  3. Step 3: Cross multiply
    808,218.70x = 1,212,284.10 × 247,253.20
  4. Step 4: Simplify right side
    808,218.70x = 299,741,123,034.12
  5. Step 5: Solve for x
    x = 299,741,123,034.12/808,218.70
  6. Step 6: Final answer
    x = 370,866.35

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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.