Home / 345,213.76-517,579.98-152,983.51

Finding the Fourth Proportional to 345,213.76, 517,579.98 and 152,983.51

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Solution

The fourth proportional to 345,213.76, 517,579.98 and 152,983.51 is: 229,368.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,213.76 : 517,579.98 = 152,983.51 : x
  2. Step 2: Convert to fraction form
    345,213.76/517,579.98 = 152,983.51/x
  3. Step 3: Cross multiply
    345,213.76x = 517,579.98 × 152,983.51
  4. Step 4: Simplify right side
    345,213.76x = 79,181,202,046.13
  5. Step 5: Solve for x
    x = 79,181,202,046.13/345,213.76
  6. Step 6: Final answer
    x = 229,368.62

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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.