Home / 340,112.16-510,255.90-140,463.36

Finding the Fourth Proportional to 340,112.16, 510,255.90 and 140,463.36

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Solution

The fourth proportional to 340,112.16, 510,255.90 and 140,463.36 is: 210,731.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,112.16 : 510,255.90 = 140,463.36 : x
  2. Step 2: Convert to fraction form
    340,112.16/510,255.90 = 140,463.36/x
  3. Step 3: Cross multiply
    340,112.16x = 510,255.90 × 140,463.36
  4. Step 4: Simplify right side
    340,112.16x = 71,672,258,173.82
  5. Step 5: Solve for x
    x = 71,672,258,173.82/340,112.16
  6. Step 6: Final answer
    x = 210,731.24

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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.