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Finding the Fourth Proportional to 221,347.40, 332,021.10 and 73,603.40

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Solution

The fourth proportional to 221,347.40, 332,021.10 and 73,603.40 is: 110,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,347.40 : 332,021.10 = 73,603.40 : x
  2. Step 2: Convert to fraction form
    221,347.40/332,021.10 = 73,603.40/x
  3. Step 3: Cross multiply
    221,347.40x = 332,021.10 × 73,603.40
  4. Step 4: Simplify right side
    221,347.40x = 24,437,881,831.74
  5. Step 5: Solve for x
    x = 24,437,881,831.74/221,347.40
  6. Step 6: Final answer
    x = 110,405.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.