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Finding the Fourth Proportional to 360,072.90, 497,040.57 and 322,281.54

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Solution

The fourth proportional to 360,072.90, 497,040.57 and 322,281.54 is: 444,873.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,072.90 : 497,040.57 = 322,281.54 : x
  2. Step 2: Convert to fraction form
    360,072.90/497,040.57 = 322,281.54/x
  3. Step 3: Cross multiply
    360,072.90x = 497,040.57 × 322,281.54
  4. Step 4: Simplify right side
    360,072.90x = 160,187,000,342.08
  5. Step 5: Solve for x
    x = 160,187,000,342.08/360,072.90
  6. Step 6: Final answer
    x = 444,873.80

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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.