Home / 307,971.04-461,104.44-157,887.76

Finding the Fourth Proportional to 307,971.04, 461,104.44 and 157,887.76

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Solution

The fourth proportional to 307,971.04, 461,104.44 and 157,887.76 is: 236,394.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,971.04 : 461,104.44 = 157,887.76 : x
  2. Step 2: Convert to fraction form
    307,971.04/461,104.44 = 157,887.76/x
  3. Step 3: Cross multiply
    307,971.04x = 461,104.44 × 157,887.76
  4. Step 4: Simplify right side
    307,971.04x = 72,802,747,157.65
  5. Step 5: Solve for x
    x = 72,802,747,157.65/307,971.04
  6. Step 6: Final answer
    x = 236,394.78

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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.