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Finding the Fourth Proportional to 333,482.81, 500,225.36 and 80,762.90

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Solution

The fourth proportional to 333,482.81, 500,225.36 and 80,762.90 is: 121,144.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,482.81 : 500,225.36 = 80,762.90 : x
  2. Step 2: Convert to fraction form
    333,482.81/500,225.36 = 80,762.90/x
  3. Step 3: Cross multiply
    333,482.81x = 500,225.36 × 80,762.90
  4. Step 4: Simplify right side
    333,482.81x = 40,399,647,822.20
  5. Step 5: Solve for x
    x = 40,399,647,822.20/333,482.81
  6. Step 6: Final answer
    x = 121,144.62

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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.