Home / 286,555.73-395,427.69-157,491.41

Finding the Fourth Proportional to 286,555.73, 395,427.69 and 157,491.41

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Solution

The fourth proportional to 286,555.73, 395,427.69 and 157,491.41 is: 217,327.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,555.73 : 395,427.69 = 157,491.41 : x
  2. Step 2: Convert to fraction form
    286,555.73/395,427.69 = 157,491.41/x
  3. Step 3: Cross multiply
    286,555.73x = 395,427.69 × 157,491.41
  4. Step 4: Simplify right side
    286,555.73x = 62,276,462,474.00
  5. Step 5: Solve for x
    x = 62,276,462,474.00/286,555.73
  6. Step 6: Final answer
    x = 217,327.58

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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.