Home / 279,602.03-385,855.19-152,277.52

Finding the Fourth Proportional to 279,602.03, 385,855.19 and 152,277.52

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Solution

The fourth proportional to 279,602.03, 385,855.19 and 152,277.52 is: 210,145.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,602.03 : 385,855.19 = 152,277.52 : x
  2. Step 2: Convert to fraction form
    279,602.03/385,855.19 = 152,277.52/x
  3. Step 3: Cross multiply
    279,602.03x = 385,855.19 × 152,277.52
  4. Step 4: Simplify right side
    279,602.03x = 58,757,070,257.34
  5. Step 5: Solve for x
    x = 58,757,070,257.34/279,602.03
  6. Step 6: Final answer
    x = 210,145.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.