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Finding the Fourth Proportional to 545,053, 817,625.58 and 151,069

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Solution

The fourth proportional to 545,053, 817,625.58 and 151,069 is: 226,616.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,053 : 817,625.58 = 151,069 : x
  2. Step 2: Convert to fraction form
    545,053/817,625.58 = 151,069/x
  3. Step 3: Cross multiply
    545,053x = 817,625.58 × 151,069
  4. Step 4: Simplify right side
    545,053x = 123,517,878,745.02
  5. Step 5: Solve for x
    x = 123,517,878,745.02/545,053
  6. Step 6: Final answer
    x = 226,616.27

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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.