Home / 345,025.50-517,603.62-120,450.06

Finding the Fourth Proportional to 345,025.50, 517,603.62 and 120,450.06

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Solution

The fourth proportional to 345,025.50, 517,603.62 and 120,450.06 is: 180,697.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,025.50 : 517,603.62 = 120,450.06 : x
  2. Step 2: Convert to fraction form
    345,025.50/517,603.62 = 120,450.06/x
  3. Step 3: Cross multiply
    345,025.50x = 517,603.62 × 120,450.06
  4. Step 4: Simplify right side
    345,025.50x = 62,345,387,085.22
  5. Step 5: Solve for x
    x = 62,345,387,085.22/345,025.50
  6. Step 6: Final answer
    x = 180,697.91

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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.