Home / 302,557.85-453,668.75-140,274.54

Finding the Fourth Proportional to 302,557.85, 453,668.75 and 140,274.54

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Solution

The fourth proportional to 302,557.85, 453,668.75 and 140,274.54 is: 210,333.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,557.85 : 453,668.75 = 140,274.54 : x
  2. Step 2: Convert to fraction form
    302,557.85/453,668.75 = 140,274.54/x
  3. Step 3: Cross multiply
    302,557.85x = 453,668.75 × 140,274.54
  4. Step 4: Simplify right side
    302,557.85x = 63,638,174,517.25
  5. Step 5: Solve for x
    x = 63,638,174,517.25/302,557.85
  6. Step 6: Final answer
    x = 210,333.91

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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.