Home / 303,332.64-455,096.09-145,572.18

Finding the Fourth Proportional to 303,332.64, 455,096.09 and 145,572.18

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Solution

The fourth proportional to 303,332.64, 455,096.09 and 145,572.18 is: 218,404.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,332.64 : 455,096.09 = 145,572.18 : x
  2. Step 2: Convert to fraction form
    303,332.64/455,096.09 = 145,572.18/x
  3. Step 3: Cross multiply
    303,332.64x = 455,096.09 × 145,572.18
  4. Step 4: Simplify right side
    303,332.64x = 66,249,329,930.78
  5. Step 5: Solve for x
    x = 66,249,329,930.78/303,332.64
  6. Step 6: Final answer
    x = 218,404.88

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1.5x scale

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.