Home / 278,729.93-384,428.50-246,499.02

Finding the Fourth Proportional to 278,729.93, 384,428.50 and 246,499.02

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Solution

The fourth proportional to 278,729.93, 384,428.50 and 246,499.02 is: 339,975.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,729.93 : 384,428.50 = 246,499.02 : x
  2. Step 2: Convert to fraction form
    278,729.93/384,428.50 = 246,499.02/x
  3. Step 3: Cross multiply
    278,729.93x = 384,428.50 × 246,499.02
  4. Step 4: Simplify right side
    278,729.93x = 94,761,247,893.82
  5. Step 5: Solve for x
    x = 94,761,247,893.82/278,729.93
  6. Step 6: Final answer
    x = 339,975.14

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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.