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Finding the Fourth Proportional to 333,014.40, 498,537.45 and 220,821.30

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Solution

The fourth proportional to 333,014.40, 498,537.45 and 220,821.30 is: 330,579.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,014.40 : 498,537.45 = 220,821.30 : x
  2. Step 2: Convert to fraction form
    333,014.40/498,537.45 = 220,821.30/x
  3. Step 3: Cross multiply
    333,014.40x = 498,537.45 × 220,821.30
  4. Step 4: Simplify right side
    333,014.40x = 110,087,687,807.69
  5. Step 5: Solve for x
    x = 110,087,687,807.69/333,014.40
  6. Step 6: Final answer
    x = 330,579.36

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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.