Home / 535,016.75-802,787.81-215,155.69

Finding the Fourth Proportional to 535,016.75, 802,787.81 and 215,155.69

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Solution

The fourth proportional to 535,016.75, 802,787.81 and 215,155.69 is: 322,839.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,016.75 : 802,787.81 = 215,155.69 : x
  2. Step 2: Convert to fraction form
    535,016.75/802,787.81 = 215,155.69/x
  3. Step 3: Cross multiply
    535,016.75x = 802,787.81 × 215,155.69
  4. Step 4: Simplify right side
    535,016.75x = 172,724,362,101.39
  5. Step 5: Solve for x
    x = 172,724,362,101.39/535,016.75
  6. Step 6: Final answer
    x = 322,839.17

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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.