Home / 245,768.36-368,062.05-140,267.48

Finding the Fourth Proportional to 245,768.36, 368,062.05 and 140,267.48

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Solution

The fourth proportional to 245,768.36, 368,062.05 and 140,267.48 is: 210,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,768.36 : 368,062.05 = 140,267.48 : x
  2. Step 2: Convert to fraction form
    245,768.36/368,062.05 = 140,267.48/x
  3. Step 3: Cross multiply
    245,768.36x = 368,062.05 × 140,267.48
  4. Step 4: Simplify right side
    245,768.36x = 51,627,136,237.13
  5. Step 5: Solve for x
    x = 51,627,136,237.13/245,768.36
  6. Step 6: Final answer
    x = 210,064.21

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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.