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Finding the Fourth Proportional to 251,347.01, 377,017.22 and 61,809

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Solution

The fourth proportional to 251,347.01, 377,017.22 and 61,809 is: 92,712.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,347.01 : 377,017.22 = 61,809 : x
  2. Step 2: Convert to fraction form
    251,347.01/377,017.22 = 61,809/x
  3. Step 3: Cross multiply
    251,347.01x = 377,017.22 × 61,809
  4. Step 4: Simplify right side
    251,347.01x = 23,303,057,041.94
  5. Step 5: Solve for x
    x = 23,303,057,041.94/251,347.01
  6. Step 6: Final answer
    x = 92,712.69

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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.