Home / 208,570.37-312,497.97-140,053.48

Finding the Fourth Proportional to 208,570.37, 312,497.97 and 140,053.48

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Solution

The fourth proportional to 208,570.37, 312,497.97 and 140,053.48 is: 209,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,570.37 : 312,497.97 = 140,053.48 : x
  2. Step 2: Convert to fraction form
    208,570.37/312,497.97 = 140,053.48/x
  3. Step 3: Cross multiply
    208,570.37x = 312,497.97 × 140,053.48
  4. Step 4: Simplify right side
    208,570.37x = 43,766,426,628.95
  5. Step 5: Solve for x
    x = 43,766,426,628.95/208,570.37
  6. Step 6: Final answer
    x = 209,840.10

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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.