Home / 279,506.22-385,705.71-152,181.42

Finding the Fourth Proportional to 279,506.22, 385,705.71 and 152,181.42

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Solution

The fourth proportional to 279,506.22, 385,705.71 and 152,181.42 is: 210,003.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,506.22 : 385,705.71 = 152,181.42 : x
  2. Step 2: Convert to fraction form
    279,506.22/385,705.71 = 152,181.42/x
  3. Step 3: Cross multiply
    279,506.22x = 385,705.71 × 152,181.42
  4. Step 4: Simplify right side
    279,506.22x = 58,697,242,649.91
  5. Step 5: Solve for x
    x = 58,697,242,649.91/279,506.22
  6. Step 6: Final answer
    x = 210,003.35

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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.