Home / 291,088.26-401,701.20-163,764

Finding the Fourth Proportional to 291,088.26, 401,701.20 and 163,764

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Solution

The fourth proportional to 291,088.26, 401,701.20 and 163,764 is: 225,993.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,088.26 : 401,701.20 = 163,764 : x
  2. Step 2: Convert to fraction form
    291,088.26/401,701.20 = 163,764/x
  3. Step 3: Cross multiply
    291,088.26x = 401,701.20 × 163,764
  4. Step 4: Simplify right side
    291,088.26x = 65,784,195,316.80
  5. Step 5: Solve for x
    x = 65,784,195,316.80/291,088.26
  6. Step 6: Final answer
    x = 225,993.98

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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.