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Finding the Fourth Proportional to 438,052.32, 604,512.72 and 236,848.32

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Solution

The fourth proportional to 438,052.32, 604,512.72 and 236,848.32 is: 326,850.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,052.32 : 604,512.72 = 236,848.32 : x
  2. Step 2: Convert to fraction form
    438,052.32/604,512.72 = 236,848.32/x
  3. Step 3: Cross multiply
    438,052.32x = 604,512.72 × 236,848.32
  4. Step 4: Simplify right side
    438,052.32x = 143,177,822,150.63
  5. Step 5: Solve for x
    x = 143,177,822,150.63/438,052.32
  6. Step 6: Final answer
    x = 326,850.96

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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.