Home / 279,113.04-385,174.14-151,788.33

Finding the Fourth Proportional to 279,113.04, 385,174.14 and 151,788.33

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Solution

The fourth proportional to 279,113.04, 385,174.14 and 151,788.33 is: 209,466.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,113.04 : 385,174.14 = 151,788.33 : x
  2. Step 2: Convert to fraction form
    279,113.04/385,174.14 = 151,788.33/x
  3. Step 3: Cross multiply
    279,113.04x = 385,174.14 × 151,788.33
  4. Step 4: Simplify right side
    279,113.04x = 58,464,938,900.58
  5. Step 5: Solve for x
    x = 58,464,938,900.58/279,113.04
  6. Step 6: Final answer
    x = 209,466.88

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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.