Home / 668,831.01-1,003,243.76-242,267.02

Finding the Fourth Proportional to 668,831.01, 1,003,243.76 and 242,267.02

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Solution

The fourth proportional to 668,831.01, 1,003,243.76 and 242,267.02 is: 363,399.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,831.01 : 1,003,243.76 = 242,267.02 : x
  2. Step 2: Convert to fraction form
    668,831.01/1,003,243.76 = 242,267.02/x
  3. Step 3: Cross multiply
    668,831.01x = 1,003,243.76 × 242,267.02
  4. Step 4: Simplify right side
    668,831.01x = 243,052,873,257.85
  5. Step 5: Solve for x
    x = 243,052,873,257.85/668,831.01
  6. Step 6: Final answer
    x = 363,399.53

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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.