Home / 300,623.40-450,972.54-98,214.96

Finding the Fourth Proportional to 300,623.40, 450,972.54 and 98,214.96

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Solution

The fourth proportional to 300,623.40, 450,972.54 and 98,214.96 is: 147,334.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,623.40 : 450,972.54 = 98,214.96 : x
  2. Step 2: Convert to fraction form
    300,623.40/450,972.54 = 98,214.96/x
  3. Step 3: Cross multiply
    300,623.40x = 450,972.54 × 98,214.96
  4. Step 4: Simplify right side
    300,623.40x = 44,292,249,977.20
  5. Step 5: Solve for x
    x = 44,292,249,977.20/300,623.40
  6. Step 6: Final answer
    x = 147,334.67

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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.