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Finding the Fourth Proportional to 651,891.05, 977,900.06 and 202,491.10

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Solution

The fourth proportional to 651,891.05, 977,900.06 and 202,491.10 is: 303,756.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,891.05 : 977,900.06 = 202,491.10 : x
  2. Step 2: Convert to fraction form
    651,891.05/977,900.06 = 202,491.10/x
  3. Step 3: Cross multiply
    651,891.05x = 977,900.06 × 202,491.10
  4. Step 4: Simplify right side
    651,891.05x = 198,016,058,839.47
  5. Step 5: Solve for x
    x = 198,016,058,839.47/651,891.05
  6. Step 6: Final answer
    x = 303,756.37

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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.