Home / 345,701.20-477,067.56-186,725.20

Finding the Fourth Proportional to 345,701.20, 477,067.56 and 186,725.20

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Solution

The fourth proportional to 345,701.20, 477,067.56 and 186,725.20 is: 257,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,701.20 : 477,067.56 = 186,725.20 : x
  2. Step 2: Convert to fraction form
    345,701.20/477,067.56 = 186,725.20/x
  3. Step 3: Cross multiply
    345,701.20x = 477,067.56 × 186,725.20
  4. Step 4: Simplify right side
    345,701.20x = 89,080,535,554.51
  5. Step 5: Solve for x
    x = 89,080,535,554.51/345,701.20
  6. Step 6: Final answer
    x = 257,680.72

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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.