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Finding the Fourth Proportional to 499,998.38, 750,075.47 and 162,960.83

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Solution

The fourth proportional to 499,998.38, 750,075.47 and 162,960.83 is: 244,466.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,998.38 : 750,075.47 = 162,960.83 : x
  2. Step 2: Convert to fraction form
    499,998.38/750,075.47 = 162,960.83/x
  3. Step 3: Cross multiply
    499,998.38x = 750,075.47 × 162,960.83
  4. Step 4: Simplify right side
    499,998.38x = 122,232,916,588.66
  5. Step 5: Solve for x
    x = 122,232,916,588.66/499,998.38
  6. Step 6: Final answer
    x = 244,466.63

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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.