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Finding the Fourth Proportional to 228,620.40, 342,477 and 152,484.72

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Solution

The fourth proportional to 228,620.40, 342,477 and 152,484.72 is: 228,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,620.40 : 342,477 = 152,484.72 : x
  2. Step 2: Convert to fraction form
    228,620.40/342,477 = 152,484.72/x
  3. Step 3: Cross multiply
    228,620.40x = 342,477 × 152,484.72
  4. Step 4: Simplify right side
    228,620.40x = 52,222,509,451.44
  5. Step 5: Solve for x
    x = 52,222,509,451.44/228,620.40
  6. Step 6: Final answer
    x = 228,424.54

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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.