Home / 216,720.54-326,705.07-202,270.14

Finding the Fourth Proportional to 216,720.54, 326,705.07 and 202,270.14

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Solution

The fourth proportional to 216,720.54, 326,705.07 and 202,270.14 is: 304,921.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,720.54 : 326,705.07 = 202,270.14 : x
  2. Step 2: Convert to fraction form
    216,720.54/326,705.07 = 202,270.14/x
  3. Step 3: Cross multiply
    216,720.54x = 326,705.07 × 202,270.14
  4. Step 4: Simplify right side
    216,720.54x = 66,082,680,247.61
  5. Step 5: Solve for x
    x = 66,082,680,247.61/216,720.54
  6. Step 6: Final answer
    x = 304,921.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.