Home / 291,004.35-401,588.63-161,948.26

Finding the Fourth Proportional to 291,004.35, 401,588.63 and 161,948.26

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Solution

The fourth proportional to 291,004.35, 401,588.63 and 161,948.26 is: 223,490.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,004.35 : 401,588.63 = 161,948.26 : x
  2. Step 2: Convert to fraction form
    291,004.35/401,588.63 = 161,948.26/x
  3. Step 3: Cross multiply
    291,004.35x = 401,588.63 × 161,948.26
  4. Step 4: Simplify right side
    291,004.35x = 65,036,581,074.79
  5. Step 5: Solve for x
    x = 65,036,581,074.79/291,004.35
  6. Step 6: Final answer
    x = 223,490.07

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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.