Home / 445,289.04-668,002.68-149,778

Finding the Fourth Proportional to 445,289.04, 668,002.68 and 149,778

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Solution

The fourth proportional to 445,289.04, 668,002.68 and 149,778 is: 224,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,289.04 : 668,002.68 = 149,778 : x
  2. Step 2: Convert to fraction form
    445,289.04/668,002.68 = 149,778/x
  3. Step 3: Cross multiply
    445,289.04x = 668,002.68 × 149,778
  4. Step 4: Simplify right side
    445,289.04x = 100,052,105,405.04
  5. Step 5: Solve for x
    x = 100,052,105,405.04/445,289.04
  6. Step 6: Final answer
    x = 224,690.25

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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.