Home / 237,985.49-356,979.35-80,215.31

Finding the Fourth Proportional to 237,985.49, 356,979.35 and 80,215.31

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Solution

The fourth proportional to 237,985.49, 356,979.35 and 80,215.31 is: 120,323.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,985.49 : 356,979.35 = 80,215.31 : x
  2. Step 2: Convert to fraction form
    237,985.49/356,979.35 = 80,215.31/x
  3. Step 3: Cross multiply
    237,985.49x = 356,979.35 × 80,215.31
  4. Step 4: Simplify right side
    237,985.49x = 28,635,210,316.84
  5. Step 5: Solve for x
    x = 28,635,210,316.84/237,985.49
  6. Step 6: Final answer
    x = 120,323.34

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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.