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Finding the Fourth Proportional to 372,241.40, 558,362.10 and 288,260.60

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Solution

The fourth proportional to 372,241.40, 558,362.10 and 288,260.60 is: 432,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,241.40 : 558,362.10 = 288,260.60 : x
  2. Step 2: Convert to fraction form
    372,241.40/558,362.10 = 288,260.60/x
  3. Step 3: Cross multiply
    372,241.40x = 558,362.10 × 288,260.60
  4. Step 4: Simplify right side
    372,241.40x = 160,953,793,963.26
  5. Step 5: Solve for x
    x = 160,953,793,963.26/372,241.40
  6. Step 6: Final answer
    x = 432,390.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.