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Finding the Fourth Proportional to 252,550.80, 348,522.10 and 137,830.34

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Solution

The fourth proportional to 252,550.80, 348,522.10 and 137,830.34 is: 190,206.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,550.80 : 348,522.10 = 137,830.34 : x
  2. Step 2: Convert to fraction form
    252,550.80/348,522.10 = 137,830.34/x
  3. Step 3: Cross multiply
    252,550.80x = 348,522.10 × 137,830.34
  4. Step 4: Simplify right side
    252,550.80x = 48,036,919,540.51
  5. Step 5: Solve for x
    x = 48,036,919,540.51/252,550.80
  6. Step 6: Final answer
    x = 190,206.96

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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.