Home / 279,316.06-385,388.95-164,599.39

Finding the Fourth Proportional to 279,316.06, 385,388.95 and 164,599.39

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Solution

The fourth proportional to 279,316.06, 385,388.95 and 164,599.39 is: 227,107.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,316.06 : 385,388.95 = 164,599.39 : x
  2. Step 2: Convert to fraction form
    279,316.06/385,388.95 = 164,599.39/x
  3. Step 3: Cross multiply
    279,316.06x = 385,388.95 × 164,599.39
  4. Step 4: Simplify right side
    279,316.06x = 63,434,783,332.80
  5. Step 5: Solve for x
    x = 63,434,783,332.80/279,316.06
  6. Step 6: Final answer
    x = 227,107.54

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1.5x scale

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.