Home / 302,255.53-417,142.07-225,641.59

Finding the Fourth Proportional to 302,255.53, 417,142.07 and 225,641.59

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Solution

The fourth proportional to 302,255.53, 417,142.07 and 225,641.59 is: 311,407.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,255.53 : 417,142.07 = 225,641.59 : x
  2. Step 2: Convert to fraction form
    302,255.53/417,142.07 = 225,641.59/x
  3. Step 3: Cross multiply
    302,255.53x = 417,142.07 × 225,641.59
  4. Step 4: Simplify right side
    302,255.53x = 94,124,599,930.69
  5. Step 5: Solve for x
    x = 94,124,599,930.69/302,255.53
  6. Step 6: Final answer
    x = 311,407.37

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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.