Home / 340,239.72-510,433.38-103,576.28

Finding the Fourth Proportional to 340,239.72, 510,433.38 and 103,576.28

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Solution

The fourth proportional to 340,239.72, 510,433.38 and 103,576.28 is: 155,386.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,239.72 : 510,433.38 = 103,576.28 : x
  2. Step 2: Convert to fraction form
    340,239.72/510,433.38 = 103,576.28/x
  3. Step 3: Cross multiply
    340,239.72x = 510,433.38 × 103,576.28
  4. Step 4: Simplify right side
    340,239.72x = 52,868,790,688.23
  5. Step 5: Solve for x
    x = 52,868,790,688.23/340,239.72
  6. Step 6: Final answer
    x = 155,386.89

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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.