Home / 279,577.36-385,822.88-152,252.96

Finding the Fourth Proportional to 279,577.36, 385,822.88 and 152,252.96

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Solution

The fourth proportional to 279,577.36, 385,822.88 and 152,252.96 is: 210,112.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,577.36 : 385,822.88 = 152,252.96 : x
  2. Step 2: Convert to fraction form
    279,577.36/385,822.88 = 152,252.96/x
  3. Step 3: Cross multiply
    279,577.36x = 385,822.88 × 152,252.96
  4. Step 4: Simplify right side
    279,577.36x = 58,742,675,515.72
  5. Step 5: Solve for x
    x = 58,742,675,515.72/279,577.36
  6. Step 6: Final answer
    x = 210,112.42

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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.