Home / 307,787.58-424,754.06-193,071.11

Finding the Fourth Proportional to 307,787.58, 424,754.06 and 193,071.11

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Solution

The fourth proportional to 307,787.58, 424,754.06 and 193,071.11 is: 266,442.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,787.58 : 424,754.06 = 193,071.11 : x
  2. Step 2: Convert to fraction form
    307,787.58/424,754.06 = 193,071.11/x
  3. Step 3: Cross multiply
    307,787.58x = 424,754.06 × 193,071.11
  4. Step 4: Simplify right side
    307,787.58x = 82,007,734,752.08
  5. Step 5: Solve for x
    x = 82,007,734,752.08/307,787.58
  6. Step 6: Final answer
    x = 266,442.64

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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.