Home / 292,622.21-438,933.32-82,260.15

Finding the Fourth Proportional to 292,622.21, 438,933.32 and 82,260.15

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Solution

The fourth proportional to 292,622.21, 438,933.32 and 82,260.15 is: 123,390.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,622.21 : 438,933.32 = 82,260.15 : x
  2. Step 2: Convert to fraction form
    292,622.21/438,933.32 = 82,260.15/x
  3. Step 3: Cross multiply
    292,622.21x = 438,933.32 × 82,260.15
  4. Step 4: Simplify right side
    292,622.21x = 36,106,721,926.09
  5. Step 5: Solve for x
    x = 36,106,721,926.09/292,622.21
  6. Step 6: Final answer
    x = 123,390.23

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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.