Home / 304,032.11-456,113.37-90,816.80

Finding the Fourth Proportional to 304,032.11, 456,113.37 and 90,816.80

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Solution

The fourth proportional to 304,032.11, 456,113.37 and 90,816.80 is: 136,244.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,032.11 : 456,113.37 = 90,816.80 : x
  2. Step 2: Convert to fraction form
    304,032.11/456,113.37 = 90,816.80/x
  3. Step 3: Cross multiply
    304,032.11x = 456,113.37 × 90,816.80
  4. Step 4: Simplify right side
    304,032.11x = 41,422,756,700.62
  5. Step 5: Solve for x
    x = 41,422,756,700.62/304,032.11
  6. Step 6: Final answer
    x = 136,244.68

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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.