Home / 313,220.21-432,244.17-169,980.24

Finding the Fourth Proportional to 313,220.21, 432,244.17 and 169,980.24

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Solution

The fourth proportional to 313,220.21, 432,244.17 and 169,980.24 is: 234,572.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,220.21 : 432,244.17 = 169,980.24 : x
  2. Step 2: Convert to fraction form
    313,220.21/432,244.17 = 169,980.24/x
  3. Step 3: Cross multiply
    313,220.21x = 432,244.17 × 169,980.24
  4. Step 4: Simplify right side
    313,220.21x = 73,472,966,905.30
  5. Step 5: Solve for x
    x = 73,472,966,905.30/313,220.21
  6. Step 6: Final answer
    x = 234,572.88

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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.