Home / 279,198.84-385,295.64-151,875.24

Finding the Fourth Proportional to 279,198.84, 385,295.64 and 151,875.24

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Solution

The fourth proportional to 279,198.84, 385,295.64 and 151,875.24 is: 209,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,198.84 : 385,295.64 = 151,875.24 : x
  2. Step 2: Convert to fraction form
    279,198.84/385,295.64 = 151,875.24/x
  3. Step 3: Cross multiply
    279,198.84x = 385,295.64 × 151,875.24
  4. Step 4: Simplify right side
    279,198.84x = 58,516,867,795.95
  5. Step 5: Solve for x
    x = 58,516,867,795.95/279,198.84
  6. Step 6: Final answer
    x = 209,588.51

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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.