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Finding the Fourth Proportional to 333,901.87, 461,395.58 and 243,100.19

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Solution

The fourth proportional to 333,901.87, 461,395.58 and 243,100.19 is: 335,923.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,901.87 : 461,395.58 = 243,100.19 : x
  2. Step 2: Convert to fraction form
    333,901.87/461,395.58 = 243,100.19/x
  3. Step 3: Cross multiply
    333,901.87x = 461,395.58 × 243,100.19
  4. Step 4: Simplify right side
    333,901.87x = 112,165,353,101.15
  5. Step 5: Solve for x
    x = 112,165,353,101.15/333,901.87
  6. Step 6: Final answer
    x = 335,923.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.