Home / 286,821.77-395,814.83-157,773.46

Finding the Fourth Proportional to 286,821.77, 395,814.83 and 157,773.46

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Solution

The fourth proportional to 286,821.77, 395,814.83 and 157,773.46 is: 217,727.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,821.77 : 395,814.83 = 157,773.46 : x
  2. Step 2: Convert to fraction form
    286,821.77/395,814.83 = 157,773.46/x
  3. Step 3: Cross multiply
    286,821.77x = 395,814.83 × 157,773.46
  4. Step 4: Simplify right side
    286,821.77x = 62,449,075,248.41
  5. Step 5: Solve for x
    x = 62,449,075,248.41/286,821.77
  6. Step 6: Final answer
    x = 217,727.81

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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.