Home / 215,100.30-296,660.66-180,509.24

Finding the Fourth Proportional to 215,100.30, 296,660.66 and 180,509.24

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Solution

The fourth proportional to 215,100.30, 296,660.66 and 180,509.24 is: 248,953.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,100.30 : 296,660.66 = 180,509.24 : x
  2. Step 2: Convert to fraction form
    215,100.30/296,660.66 = 180,509.24/x
  3. Step 3: Cross multiply
    215,100.30x = 296,660.66 × 180,509.24
  4. Step 4: Simplify right side
    215,100.30x = 53,549,990,274.50
  5. Step 5: Solve for x
    x = 53,549,990,274.50/215,100.30
  6. Step 6: Final answer
    x = 248,953.58

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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.