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Finding the Fourth Proportional to 315,169.58, 434,954.57 and 179,216.19

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Solution

The fourth proportional to 315,169.58, 434,954.57 and 179,216.19 is: 247,330.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,169.58 : 434,954.57 = 179,216.19 : x
  2. Step 2: Convert to fraction form
    315,169.58/434,954.57 = 179,216.19/x
  3. Step 3: Cross multiply
    315,169.58x = 434,954.57 × 179,216.19
  4. Step 4: Simplify right side
    315,169.58x = 77,950,899,962.41
  5. Step 5: Solve for x
    x = 77,950,899,962.41/315,169.58
  6. Step 6: Final answer
    x = 247,330.02

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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.