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Finding the Fourth Proportional to 437,994.31, 604,432.96 and 236,790.31

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Solution

The fourth proportional to 437,994.31, 604,432.96 and 236,790.31 is: 326,771.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,994.31 : 604,432.96 = 236,790.31 : x
  2. Step 2: Convert to fraction form
    437,994.31/604,432.96 = 236,790.31/x
  3. Step 3: Cross multiply
    437,994.31x = 604,432.96 × 236,790.31
  4. Step 4: Simplify right side
    437,994.31x = 143,123,867,972.62
  5. Step 5: Solve for x
    x = 143,123,867,972.62/437,994.31
  6. Step 6: Final answer
    x = 326,771.07

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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.