Home / 371,215.50-556,905.33-157,972.20

Finding the Fourth Proportional to 371,215.50, 556,905.33 and 157,972.20

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Solution

The fourth proportional to 371,215.50, 556,905.33 and 157,972.20 is: 236,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,215.50 : 556,905.33 = 157,972.20 : x
  2. Step 2: Convert to fraction form
    371,215.50/556,905.33 = 157,972.20/x
  3. Step 3: Cross multiply
    371,215.50x = 556,905.33 × 157,972.20
  4. Step 4: Simplify right side
    371,215.50x = 87,975,560,171.83
  5. Step 5: Solve for x
    x = 87,975,560,171.83/371,215.50
  6. Step 6: Final answer
    x = 236,993.23

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1.5x scale

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.