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Finding the Fourth Proportional to 333,052.20, 498,266.10 and 289,166.40

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Solution

The fourth proportional to 333,052.20, 498,266.10 and 289,166.40 is: 432,610.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,052.20 : 498,266.10 = 289,166.40 : x
  2. Step 2: Convert to fraction form
    333,052.20/498,266.10 = 289,166.40/x
  3. Step 3: Cross multiply
    333,052.20x = 498,266.10 × 289,166.40
  4. Step 4: Simplify right side
    333,052.20x = 144,081,814,379.04
  5. Step 5: Solve for x
    x = 144,081,814,379.04/333,052.20
  6. Step 6: Final answer
    x = 432,610.31

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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.