Home / 279,519.63-385,738.02-152,196

Finding the Fourth Proportional to 279,519.63, 385,738.02 and 152,196

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Solution

The fourth proportional to 279,519.63, 385,738.02 and 152,196 is: 210,030.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,519.63 : 385,738.02 = 152,196 : x
  2. Step 2: Convert to fraction form
    279,519.63/385,738.02 = 152,196/x
  3. Step 3: Cross multiply
    279,519.63x = 385,738.02 × 152,196
  4. Step 4: Simplify right side
    279,519.63x = 58,707,783,691.92
  5. Step 5: Solve for x
    x = 58,707,783,691.92/279,519.63
  6. Step 6: Final answer
    x = 210,030.99

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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.