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Finding the Fourth Proportional to 516,152, 774,228 and 142,175.04

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Solution

The fourth proportional to 516,152, 774,228 and 142,175.04 is: 213,262.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,152 : 774,228 = 142,175.04 : x
  2. Step 2: Convert to fraction form
    516,152/774,228 = 142,175.04/x
  3. Step 3: Cross multiply
    516,152x = 774,228 × 142,175.04
  4. Step 4: Simplify right side
    516,152x = 110,075,896,869.12
  5. Step 5: Solve for x
    x = 110,075,896,869.12/516,152
  6. Step 6: Final answer
    x = 213,262.56

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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.