Home / 303,979.62-455,977.20-144,018.08

Finding the Fourth Proportional to 303,979.62, 455,977.20 and 144,018.08

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Solution

The fourth proportional to 303,979.62, 455,977.20 and 144,018.08 is: 216,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,979.62 : 455,977.20 = 144,018.08 : x
  2. Step 2: Convert to fraction form
    303,979.62/455,977.20 = 144,018.08/x
  3. Step 3: Cross multiply
    303,979.62x = 455,977.20 × 144,018.08
  4. Step 4: Simplify right side
    303,979.62x = 65,668,960,867.78
  5. Step 5: Solve for x
    x = 65,668,960,867.78/303,979.62
  6. Step 6: Final answer
    x = 216,030.80

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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.