Home / 302,111.28-453,203.82-102,488.76

Finding the Fourth Proportional to 302,111.28, 453,203.82 and 102,488.76

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Solution

The fourth proportional to 302,111.28, 453,203.82 and 102,488.76 is: 153,745.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,111.28 : 453,203.82 = 102,488.76 : x
  2. Step 2: Convert to fraction form
    302,111.28/453,203.82 = 102,488.76/x
  3. Step 3: Cross multiply
    302,111.28x = 453,203.82 × 102,488.76
  4. Step 4: Simplify right side
    302,111.28x = 46,448,297,539.06
  5. Step 5: Solve for x
    x = 46,448,297,539.06/302,111.28
  6. Step 6: Final answer
    x = 153,745.66

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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.