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Finding the Fourth Proportional to 380,728.58, 569,770.88 and 236,575.22

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Solution

The fourth proportional to 380,728.58, 569,770.88 and 236,575.22 is: 354,041.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,728.58 : 569,770.88 = 236,575.22 : x
  2. Step 2: Convert to fraction form
    380,728.58/569,770.88 = 236,575.22/x
  3. Step 3: Cross multiply
    380,728.58x = 569,770.88 × 236,575.22
  4. Step 4: Simplify right side
    380,728.58x = 134,793,671,285.59
  5. Step 5: Solve for x
    x = 134,793,671,285.59/380,728.58
  6. Step 6: Final answer
    x = 354,041.38

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1.5x scale

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.