Home / 306,975.64-423,514.02-186,029.68

Finding the Fourth Proportional to 306,975.64, 423,514.02 and 186,029.68

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Solution

The fourth proportional to 306,975.64, 423,514.02 and 186,029.68 is: 256,652.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,975.64 : 423,514.02 = 186,029.68 : x
  2. Step 2: Convert to fraction form
    306,975.64/423,514.02 = 186,029.68/x
  3. Step 3: Cross multiply
    306,975.64x = 423,514.02 × 186,029.68
  4. Step 4: Simplify right side
    306,975.64x = 78,786,177,616.11
  5. Step 5: Solve for x
    x = 78,786,177,616.11/306,975.64
  6. Step 6: Final answer
    x = 256,652.87

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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.