Home / 371,826.18-513,117.78-202,060.32

Finding the Fourth Proportional to 371,826.18, 513,117.78 and 202,060.32

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Solution

The fourth proportional to 371,826.18, 513,117.78 and 202,060.32 is: 278,841.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,826.18 : 513,117.78 = 202,060.32 : x
  2. Step 2: Convert to fraction form
    371,826.18/513,117.78 = 202,060.32/x
  3. Step 3: Cross multiply
    371,826.18x = 513,117.78 × 202,060.32
  4. Step 4: Simplify right side
    371,826.18x = 103,680,742,824.49
  5. Step 5: Solve for x
    x = 103,680,742,824.49/371,826.18
  6. Step 6: Final answer
    x = 278,841.97

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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.