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Finding the Fourth Proportional to 303,858.06, 455,476.02 and 153,820.14

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Solution

The fourth proportional to 303,858.06, 455,476.02 and 153,820.14 is: 230,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,858.06 : 455,476.02 = 153,820.14 : x
  2. Step 2: Convert to fraction form
    303,858.06/455,476.02 = 153,820.14/x
  3. Step 3: Cross multiply
    303,858.06x = 455,476.02 × 153,820.14
  4. Step 4: Simplify right side
    303,858.06x = 70,061,385,163.04
  5. Step 5: Solve for x
    x = 70,061,385,163.04/303,858.06
  6. Step 6: Final answer
    x = 230,572.74

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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.