Home / 197,031.02-271,808.42-189,392.32

Finding the Fourth Proportional to 197,031.02, 271,808.42 and 189,392.32

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Solution

The fourth proportional to 197,031.02, 271,808.42 and 189,392.32 is: 261,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,031.02 : 271,808.42 = 189,392.32 : x
  2. Step 2: Convert to fraction form
    197,031.02/271,808.42 = 189,392.32/x
  3. Step 3: Cross multiply
    197,031.02x = 271,808.42 × 189,392.32
  4. Step 4: Simplify right side
    197,031.02x = 51,478,425,900.29
  5. Step 5: Solve for x
    x = 51,478,425,900.29/197,031.02
  6. Step 6: Final answer
    x = 261,270.67

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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.