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Finding the Fourth Proportional to 216,022.60, 323,466.90 and 152,499.70

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Solution

The fourth proportional to 216,022.60, 323,466.90 and 152,499.70 is: 228,349.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,022.60 : 323,466.90 = 152,499.70 : x
  2. Step 2: Convert to fraction form
    216,022.60/323,466.90 = 152,499.70/x
  3. Step 3: Cross multiply
    216,022.60x = 323,466.90 × 152,499.70
  4. Step 4: Simplify right side
    216,022.60x = 49,328,605,209.93
  5. Step 5: Solve for x
    x = 49,328,605,209.93/216,022.60
  6. Step 6: Final answer
    x = 228,349.28

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1.5x scale

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.