Home / 554,213.46-831,366.72-154,858.17

Finding the Fourth Proportional to 554,213.46, 831,366.72 and 154,858.17

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Solution

The fourth proportional to 554,213.46, 831,366.72 and 154,858.17 is: 232,300.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,213.46 : 831,366.72 = 154,858.17 : x
  2. Step 2: Convert to fraction form
    554,213.46/831,366.72 = 154,858.17/x
  3. Step 3: Cross multiply
    554,213.46x = 831,366.72 × 154,858.17
  4. Step 4: Simplify right side
    554,213.46x = 128,743,928,858.10
  5. Step 5: Solve for x
    x = 128,743,928,858.10/554,213.46
  6. Step 6: Final answer
    x = 232,300.26

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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.