Home / 234,428.58-323,298.83-153,825.48

Finding the Fourth Proportional to 234,428.58, 323,298.83 and 153,825.48

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Solution

The fourth proportional to 234,428.58, 323,298.83 and 153,825.48 is: 212,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,428.58 : 323,298.83 = 153,825.48 : x
  2. Step 2: Convert to fraction form
    234,428.58/323,298.83 = 153,825.48/x
  3. Step 3: Cross multiply
    234,428.58x = 323,298.83 × 153,825.48
  4. Step 4: Simplify right side
    234,428.58x = 49,731,596,939.06
  5. Step 5: Solve for x
    x = 49,731,596,939.06/234,428.58
  6. Step 6: Final answer
    x = 212,139.65

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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.