Home / 515,061.30-772,579.80-141,084.30

Finding the Fourth Proportional to 515,061.30, 772,579.80 and 141,084.30

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Solution

The fourth proportional to 515,061.30, 772,579.80 and 141,084.30 is: 211,623.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,061.30 : 772,579.80 = 141,084.30 : x
  2. Step 2: Convert to fraction form
    515,061.30/772,579.80 = 141,084.30/x
  3. Step 3: Cross multiply
    515,061.30x = 772,579.80 × 141,084.30
  4. Step 4: Simplify right side
    515,061.30x = 108,998,880,277.14
  5. Step 5: Solve for x
    x = 108,998,880,277.14/515,061.30
  6. Step 6: Final answer
    x = 211,623.12

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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.