Home / 217,298.36-326,018.45-104,991.46

Finding the Fourth Proportional to 217,298.36, 326,018.45 and 104,991.46

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Solution

The fourth proportional to 217,298.36, 326,018.45 and 104,991.46 is: 157,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,298.36 : 326,018.45 = 104,991.46 : x
  2. Step 2: Convert to fraction form
    217,298.36/326,018.45 = 104,991.46/x
  3. Step 3: Cross multiply
    217,298.36x = 326,018.45 × 104,991.46
  4. Step 4: Simplify right side
    217,298.36x = 34,229,152,499.87
  5. Step 5: Solve for x
    x = 34,229,152,499.87/217,298.36
  6. Step 6: Final answer
    x = 157,521.45

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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.