Home / 445,933.85-668,650.01-146,389.31

Finding the Fourth Proportional to 445,933.85, 668,650.01 and 146,389.31

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Solution

The fourth proportional to 445,933.85, 668,650.01 and 146,389.31 is: 219,501.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,933.85 : 668,650.01 = 146,389.31 : x
  2. Step 2: Convert to fraction form
    445,933.85/668,650.01 = 146,389.31/x
  3. Step 3: Cross multiply
    445,933.85x = 668,650.01 × 146,389.31
  4. Step 4: Simplify right side
    445,933.85x = 97,883,209,520.20
  5. Step 5: Solve for x
    x = 97,883,209,520.20/445,933.85
  6. Step 6: Final answer
    x = 219,501.64

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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.