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Finding the Fourth Proportional to 234,223.43, 323,152.57 and 143,484.71

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Solution

The fourth proportional to 234,223.43, 323,152.57 and 143,484.71 is: 197,962.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,223.43 : 323,152.57 = 143,484.71 : x
  2. Step 2: Convert to fraction form
    234,223.43/323,152.57 = 143,484.71/x
  3. Step 3: Cross multiply
    234,223.43x = 323,152.57 × 143,484.71
  4. Step 4: Simplify right side
    234,223.43x = 46,367,453,779.44
  5. Step 5: Solve for x
    x = 46,367,453,779.44/234,223.43
  6. Step 6: Final answer
    x = 197,962.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.