Home / 603,720.31-905,611.47-154,445.06

Finding the Fourth Proportional to 603,720.31, 905,611.47 and 154,445.06

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Solution

The fourth proportional to 603,720.31, 905,611.47 and 154,445.06 is: 231,675.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,720.31 : 905,611.47 = 154,445.06 : x
  2. Step 2: Convert to fraction form
    603,720.31/905,611.47 = 154,445.06/x
  3. Step 3: Cross multiply
    603,720.31x = 905,611.47 × 154,445.06
  4. Step 4: Simplify right side
    603,720.31x = 139,867,213,292.78
  5. Step 5: Solve for x
    x = 139,867,213,292.78/603,720.31
  6. Step 6: Final answer
    x = 231,675.52

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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.