Home / 371,836.08-513,139.32-202,070.34

Finding the Fourth Proportional to 371,836.08, 513,139.32 and 202,070.34

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Solution

The fourth proportional to 371,836.08, 513,139.32 and 202,070.34 is: 278,860.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,836.08 : 513,139.32 = 202,070.34 : x
  2. Step 2: Convert to fraction form
    371,836.08/513,139.32 = 202,070.34/x
  3. Step 3: Cross multiply
    371,836.08x = 513,139.32 × 202,070.34
  4. Step 4: Simplify right side
    371,836.08x = 103,690,236,859.77
  5. Step 5: Solve for x
    x = 103,690,236,859.77/371,836.08
  6. Step 6: Final answer
    x = 278,860.07

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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.