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Finding the Fourth Proportional to 333,011.20, 499,516.80 and 133,362.40

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Solution

The fourth proportional to 333,011.20, 499,516.80 and 133,362.40 is: 200,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,011.20 : 499,516.80 = 133,362.40 : x
  2. Step 2: Convert to fraction form
    333,011.20/499,516.80 = 133,362.40/x
  3. Step 3: Cross multiply
    333,011.20x = 499,516.80 × 133,362.40
  4. Step 4: Simplify right side
    333,011.20x = 66,616,759,288.32
  5. Step 5: Solve for x
    x = 66,616,759,288.32/333,011.20
  6. Step 6: Final answer
    x = 200,043.60

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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.