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Finding the Fourth Proportional to 228,816.55, 343,188.10 and 62,565.67

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Solution

The fourth proportional to 228,816.55, 343,188.10 and 62,565.67 is: 93,838.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,816.55 : 343,188.10 = 62,565.67 : x
  2. Step 2: Convert to fraction form
    228,816.55/343,188.10 = 62,565.67/x
  3. Step 3: Cross multiply
    228,816.55x = 343,188.10 × 62,565.67
  4. Step 4: Simplify right side
    228,816.55x = 21,471,793,412.53
  5. Step 5: Solve for x
    x = 21,471,793,412.53/228,816.55
  6. Step 6: Final answer
    x = 93,838.46

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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.