Home / 371,747.21-557,619.80-105,507.98

Finding the Fourth Proportional to 371,747.21, 557,619.80 and 105,507.98

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Solution

The fourth proportional to 371,747.21, 557,619.80 and 105,507.98 is: 158,261.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,747.21 : 557,619.80 = 105,507.98 : x
  2. Step 2: Convert to fraction form
    371,747.21/557,619.80 = 105,507.98/x
  3. Step 3: Cross multiply
    371,747.21x = 557,619.80 × 105,507.98
  4. Step 4: Simplify right side
    371,747.21x = 58,833,335,390.37
  5. Step 5: Solve for x
    x = 58,833,335,390.37/371,747.21
  6. Step 6: Final answer
    x = 158,261.68

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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.