Home / 246,649.40-340,339.70-144,636.38

Finding the Fourth Proportional to 246,649.40, 340,339.70 and 144,636.38

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Solution

The fourth proportional to 246,649.40, 340,339.70 and 144,636.38 is: 199,576.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,649.40 : 340,339.70 = 144,636.38 : x
  2. Step 2: Convert to fraction form
    246,649.40/340,339.70 = 144,636.38/x
  3. Step 3: Cross multiply
    246,649.40x = 340,339.70 × 144,636.38
  4. Step 4: Simplify right side
    246,649.40x = 49,225,501,455.10
  5. Step 5: Solve for x
    x = 49,225,501,455.10/246,649.40
  6. Step 6: Final answer
    x = 199,576.81

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1.5x scale

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.