Home / 372,289.32-513,733.41-211,146.30

Finding the Fourth Proportional to 372,289.32, 513,733.41 and 211,146.30

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Solution

The fourth proportional to 372,289.32, 513,733.41 and 211,146.30 is: 291,367.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,289.32 : 513,733.41 = 211,146.30 : x
  2. Step 2: Convert to fraction form
    372,289.32/513,733.41 = 211,146.30/x
  3. Step 3: Cross multiply
    372,289.32x = 513,733.41 × 211,146.30
  4. Step 4: Simplify right side
    372,289.32x = 108,472,908,707.88
  5. Step 5: Solve for x
    x = 108,472,908,707.88/372,289.32
  6. Step 6: Final answer
    x = 291,367.23

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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.