Home / 369,697.40-554,545.96-145,163.48

Finding the Fourth Proportional to 369,697.40, 554,545.96 and 145,163.48

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Solution

The fourth proportional to 369,697.40, 554,545.96 and 145,163.48 is: 217,745.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,697.40 : 554,545.96 = 145,163.48 : x
  2. Step 2: Convert to fraction form
    369,697.40/554,545.96 = 145,163.48/x
  3. Step 3: Cross multiply
    369,697.40x = 554,545.96 × 145,163.48
  4. Step 4: Simplify right side
    369,697.40x = 80,499,821,373.54
  5. Step 5: Solve for x
    x = 80,499,821,373.54/369,697.40
  6. Step 6: Final answer
    x = 217,745.17

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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.