Home / 494,675.06-742,067.07-157,637.30

Finding the Fourth Proportional to 494,675.06, 742,067.07 and 157,637.30

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Solution

The fourth proportional to 494,675.06, 742,067.07 and 157,637.30 is: 236,473.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,675.06 : 742,067.07 = 157,637.30 : x
  2. Step 2: Convert to fraction form
    494,675.06/742,067.07 = 157,637.30/x
  3. Step 3: Cross multiply
    494,675.06x = 742,067.07 × 157,637.30
  4. Step 4: Simplify right side
    494,675.06x = 116,977,449,333.71
  5. Step 5: Solve for x
    x = 116,977,449,333.71/494,675.06
  6. Step 6: Final answer
    x = 236,473.31

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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.