Home / 207,430.17-311,108.85-57,682.13

Finding the Fourth Proportional to 207,430.17, 311,108.85 and 57,682.13

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Solution

The fourth proportional to 207,430.17, 311,108.85 and 57,682.13 is: 86,513.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,430.17 : 311,108.85 = 57,682.13 : x
  2. Step 2: Convert to fraction form
    207,430.17/311,108.85 = 57,682.13/x
  3. Step 3: Cross multiply
    207,430.17x = 311,108.85 × 57,682.13
  4. Step 4: Simplify right side
    207,430.17x = 17,945,419,574.31
  5. Step 5: Solve for x
    x = 17,945,419,574.31/207,430.17
  6. Step 6: Final answer
    x = 86,513.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.