Home / 313,217.16-432,239.94-169,977.20

Finding the Fourth Proportional to 313,217.16, 432,239.94 and 169,977.20

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Solution

The fourth proportional to 313,217.16, 432,239.94 and 169,977.20 is: 234,568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,217.16 : 432,239.94 = 169,977.20 : x
  2. Step 2: Convert to fraction form
    313,217.16/432,239.94 = 169,977.20/x
  3. Step 3: Cross multiply
    313,217.16x = 432,239.94 × 169,977.20
  4. Step 4: Simplify right side
    313,217.16x = 73,470,935,809.97
  5. Step 5: Solve for x
    x = 73,470,935,809.97/313,217.16
  6. Step 6: Final answer
    x = 234,568.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.