Home / 372,258.03-556,977.96-220,536.57

Finding the Fourth Proportional to 372,258.03, 556,977.96 and 220,536.57

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Solution

The fourth proportional to 372,258.03, 556,977.96 and 220,536.57 is: 329,970.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,258.03 : 556,977.96 = 220,536.57 : x
  2. Step 2: Convert to fraction form
    372,258.03/556,977.96 = 220,536.57/x
  3. Step 3: Cross multiply
    372,258.03x = 556,977.96 × 220,536.57
  4. Step 4: Simplify right side
    372,258.03x = 122,834,008,864.00
  5. Step 5: Solve for x
    x = 122,834,008,864.00/372,258.03
  6. Step 6: Final answer
    x = 329,970.07

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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.