Home / 246,438.70-340,071.25-139,002.32

Finding the Fourth Proportional to 246,438.70, 340,071.25 and 139,002.32

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Solution

The fourth proportional to 246,438.70, 340,071.25 and 139,002.32 is: 191,815.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,438.70 : 340,071.25 = 139,002.32 : x
  2. Step 2: Convert to fraction form
    246,438.70/340,071.25 = 139,002.32/x
  3. Step 3: Cross multiply
    246,438.70x = 340,071.25 × 139,002.32
  4. Step 4: Simplify right side
    246,438.70x = 47,270,692,715.30
  5. Step 5: Solve for x
    x = 47,270,692,715.30/246,438.70
  6. Step 6: Final answer
    x = 191,815.22

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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.