Home / 262,635.21-391,454.47-247,687.07

Finding the Fourth Proportional to 262,635.21, 391,454.47 and 247,687.07

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Solution

The fourth proportional to 262,635.21, 391,454.47 and 247,687.07 is: 369,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,635.21 : 391,454.47 = 247,687.07 : x
  2. Step 2: Convert to fraction form
    262,635.21/391,454.47 = 247,687.07/x
  3. Step 3: Cross multiply
    262,635.21x = 391,454.47 × 247,687.07
  4. Step 4: Simplify right side
    262,635.21x = 96,958,209,065.04
  5. Step 5: Solve for x
    x = 96,958,209,065.04/262,635.21
  6. Step 6: Final answer
    x = 369,174.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.