Home / 436,111.20-654,037.20-169,718.40

Finding the Fourth Proportional to 436,111.20, 654,037.20 and 169,718.40

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Solution

The fourth proportional to 436,111.20, 654,037.20 and 169,718.40 is: 254,527.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,111.20 : 654,037.20 = 169,718.40 : x
  2. Step 2: Convert to fraction form
    436,111.20/654,037.20 = 169,718.40/x
  3. Step 3: Cross multiply
    436,111.20x = 654,037.20 × 169,718.40
  4. Step 4: Simplify right side
    436,111.20x = 111,002,147,124.48
  5. Step 5: Solve for x
    x = 111,002,147,124.48/436,111.20
  6. Step 6: Final answer
    x = 254,527.16

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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.