Home / 221,837.34-306,283.38-131,222.46

Finding the Fourth Proportional to 221,837.34, 306,283.38 and 131,222.46

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Solution

The fourth proportional to 221,837.34, 306,283.38 and 131,222.46 is: 181,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,837.34 : 306,283.38 = 131,222.46 : x
  2. Step 2: Convert to fraction form
    221,837.34/306,283.38 = 131,222.46/x
  3. Step 3: Cross multiply
    221,837.34x = 306,283.38 × 131,222.46
  4. Step 4: Simplify right side
    221,837.34x = 40,191,258,580.71
  5. Step 5: Solve for x
    x = 40,191,258,580.71/221,837.34
  6. Step 6: Final answer
    x = 181,174.45

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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.