Home / 217,294.16-326,004.11-90,869.15

Finding the Fourth Proportional to 217,294.16, 326,004.11 and 90,869.15

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Solution

The fourth proportional to 217,294.16, 326,004.11 and 90,869.15 is: 136,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,294.16 : 326,004.11 = 90,869.15 : x
  2. Step 2: Convert to fraction form
    217,294.16/326,004.11 = 90,869.15/x
  3. Step 3: Cross multiply
    217,294.16x = 326,004.11 × 90,869.15
  4. Step 4: Simplify right side
    217,294.16x = 29,623,714,287.84
  5. Step 5: Solve for x
    x = 29,623,714,287.84/217,294.16
  6. Step 6: Final answer
    x = 136,330.01

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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.