Home / 371,747.52-513,014.40-201,982.32

Finding the Fourth Proportional to 371,747.52, 513,014.40 and 201,982.32

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Solution

The fourth proportional to 371,747.52, 513,014.40 and 201,982.32 is: 278,737.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,747.52 : 513,014.40 = 201,982.32 : x
  2. Step 2: Convert to fraction form
    371,747.52/513,014.40 = 201,982.32/x
  3. Step 3: Cross multiply
    371,747.52x = 513,014.40 × 201,982.32
  4. Step 4: Simplify right side
    371,747.52x = 103,619,838,705.41
  5. Step 5: Solve for x
    x = 103,619,838,705.41/371,747.52
  6. Step 6: Final answer
    x = 278,737.14

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1.5x scale

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.