Home / 371,858.08-513,149.70-202,088.56

Finding the Fourth Proportional to 371,858.08, 513,149.70 and 202,088.56

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Solution

The fourth proportional to 371,858.08, 513,149.70 and 202,088.56 is: 278,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,858.08 : 513,149.70 = 202,088.56 : x
  2. Step 2: Convert to fraction form
    371,858.08/513,149.70 = 202,088.56/x
  3. Step 3: Cross multiply
    371,858.08x = 513,149.70 × 202,088.56
  4. Step 4: Simplify right side
    371,858.08x = 103,701,683,937.43
  5. Step 5: Solve for x
    x = 103,701,683,937.43/371,858.08
  6. Step 6: Final answer
    x = 278,874.36

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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.