Home / 207,386.16-311,036.70-57,588.80

Finding the Fourth Proportional to 207,386.16, 311,036.70 and 57,588.80

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Solution

The fourth proportional to 207,386.16, 311,036.70 and 57,588.80 is: 86,371.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,386.16 : 311,036.70 = 57,588.80 : x
  2. Step 2: Convert to fraction form
    207,386.16/311,036.70 = 57,588.80/x
  3. Step 3: Cross multiply
    207,386.16x = 311,036.70 × 57,588.80
  4. Step 4: Simplify right side
    207,386.16x = 17,912,230,308.96
  5. Step 5: Solve for x
    x = 17,912,230,308.96/207,386.16
  6. Step 6: Final answer
    x = 86,371.39

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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.