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Finding the Fourth Proportional to 333,215.20, 499,045.20 and 326,533.60

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Solution

The fourth proportional to 333,215.20, 499,045.20 and 326,533.60 is: 489,038.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,215.20 : 499,045.20 = 326,533.60 : x
  2. Step 2: Convert to fraction form
    333,215.20/499,045.20 = 326,533.60/x
  3. Step 3: Cross multiply
    333,215.20x = 499,045.20 × 326,533.60
  4. Step 4: Simplify right side
    333,215.20x = 162,955,025,718.72
  5. Step 5: Solve for x
    x = 162,955,025,718.72/333,215.20
  6. Step 6: Final answer
    x = 489,038.39

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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.