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Finding the Fourth Proportional to 608,401.04, 911,958 and 229,157.67

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Solution

The fourth proportional to 608,401.04, 911,958 and 229,157.67 is: 343,494.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,401.04 : 911,958 = 229,157.67 : x
  2. Step 2: Convert to fraction form
    608,401.04/911,958 = 229,157.67/x
  3. Step 3: Cross multiply
    608,401.04x = 911,958 × 229,157.67
  4. Step 4: Simplify right side
    608,401.04x = 208,982,170,417.86
  5. Step 5: Solve for x
    x = 208,982,170,417.86/608,401.04
  6. Step 6: Final answer
    x = 343,494.11

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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.