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Finding the Fourth Proportional to 333,845.20, 499,846.20 and 260,117.20

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Solution

The fourth proportional to 333,845.20, 499,846.20 and 260,117.20 is: 389,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,845.20 : 499,846.20 = 260,117.20 : x
  2. Step 2: Convert to fraction form
    333,845.20/499,846.20 = 260,117.20/x
  3. Step 3: Cross multiply
    333,845.20x = 499,846.20 × 260,117.20
  4. Step 4: Simplify right side
    333,845.20x = 130,018,593,974.64
  5. Step 5: Solve for x
    x = 130,018,593,974.64/333,845.20
  6. Step 6: Final answer
    x = 389,457.73

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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.