Home / 395,974.34-546,895.63-268,428.50

Finding the Fourth Proportional to 395,974.34, 546,895.63 and 268,428.50

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Solution

The fourth proportional to 395,974.34, 546,895.63 and 268,428.50 is: 370,737.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,974.34 : 546,895.63 = 268,428.50 : x
  2. Step 2: Convert to fraction form
    395,974.34/546,895.63 = 268,428.50/x
  3. Step 3: Cross multiply
    395,974.34x = 546,895.63 × 268,428.50
  4. Step 4: Simplify right side
    395,974.34x = 146,802,373,269.37
  5. Step 5: Solve for x
    x = 146,802,373,269.37/395,974.34
  6. Step 6: Final answer
    x = 370,737.09

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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.