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Finding the Fourth Proportional to 333,233.97, 459,535.21 and 305,573.28

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Solution

The fourth proportional to 333,233.97, 459,535.21 and 305,573.28 is: 421,390.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,233.97 : 459,535.21 = 305,573.28 : x
  2. Step 2: Convert to fraction form
    333,233.97/459,535.21 = 305,573.28/x
  3. Step 3: Cross multiply
    333,233.97x = 459,535.21 × 305,573.28
  4. Step 4: Simplify right side
    333,233.97x = 140,421,681,395.19
  5. Step 5: Solve for x
    x = 140,421,681,395.19/333,233.97
  6. Step 6: Final answer
    x = 421,390.66

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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.