Home / 445,522.48-668,062.62-141,877.07

Finding the Fourth Proportional to 445,522.48, 668,062.62 and 141,877.07

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Solution

The fourth proportional to 445,522.48, 668,062.62 and 141,877.07 is: 212,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,522.48 : 668,062.62 = 141,877.07 : x
  2. Step 2: Convert to fraction form
    445,522.48/668,062.62 = 141,877.07/x
  3. Step 3: Cross multiply
    445,522.48x = 668,062.62 × 141,877.07
  4. Step 4: Simplify right side
    445,522.48x = 94,782,767,102.12
  5. Step 5: Solve for x
    x = 94,782,767,102.12/445,522.48
  6. Step 6: Final answer
    x = 212,745.20

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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.