Home / 307,430.36-461,220.57-117,887.34

Finding the Fourth Proportional to 307,430.36, 461,220.57 and 117,887.34

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Solution

The fourth proportional to 307,430.36, 461,220.57 and 117,887.34 is: 176,859.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,430.36 : 461,220.57 = 117,887.34 : x
  2. Step 2: Convert to fraction form
    307,430.36/461,220.57 = 117,887.34/x
  3. Step 3: Cross multiply
    307,430.36x = 461,220.57 × 117,887.34
  4. Step 4: Simplify right side
    307,430.36x = 54,372,066,150.58
  5. Step 5: Solve for x
    x = 54,372,066,150.58/307,430.36
  6. Step 6: Final answer
    x = 176,859.78

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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.