Home / 372,242.32-513,785.65-211,191.64

Finding the Fourth Proportional to 372,242.32, 513,785.65 and 211,191.64

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Solution

The fourth proportional to 372,242.32, 513,785.65 and 211,191.64 is: 291,496.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,242.32 : 513,785.65 = 211,191.64 : x
  2. Step 2: Convert to fraction form
    372,242.32/513,785.65 = 211,191.64/x
  3. Step 3: Cross multiply
    372,242.32x = 513,785.65 × 211,191.64
  4. Step 4: Simplify right side
    372,242.32x = 108,507,234,031.97
  5. Step 5: Solve for x
    x = 108,507,234,031.97/372,242.32
  6. Step 6: Final answer
    x = 291,496.23

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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.