Home / 456,428.82-684,660.54-156,908.18

Finding the Fourth Proportional to 456,428.82, 684,660.54 and 156,908.18

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Solution

The fourth proportional to 456,428.82, 684,660.54 and 156,908.18 is: 235,368.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,428.82 : 684,660.54 = 156,908.18 : x
  2. Step 2: Convert to fraction form
    456,428.82/684,660.54 = 156,908.18/x
  3. Step 3: Cross multiply
    456,428.82x = 684,660.54 × 156,908.18
  4. Step 4: Simplify right side
    456,428.82x = 107,428,839,249.22
  5. Step 5: Solve for x
    x = 107,428,839,249.22/456,428.82
  6. Step 6: Final answer
    x = 235,368.22

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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.