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Finding the Fourth Proportional to 228,360.70, 342,541.05 and 219,175.30

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Solution

The fourth proportional to 228,360.70, 342,541.05 and 219,175.30 is: 328,762.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,360.70 : 342,541.05 = 219,175.30 : x
  2. Step 2: Convert to fraction form
    228,360.70/342,541.05 = 219,175.30/x
  3. Step 3: Cross multiply
    228,360.70x = 342,541.05 × 219,175.30
  4. Step 4: Simplify right side
    228,360.70x = 75,076,537,396.07
  5. Step 5: Solve for x
    x = 75,076,537,396.07/228,360.70
  6. Step 6: Final answer
    x = 328,762.95

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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.