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Finding the Fourth Proportional to 302,777.58, 453,854.64 and 134,377.21

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Solution

The fourth proportional to 302,777.58, 453,854.64 and 134,377.21 is: 201,427.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,777.58 : 453,854.64 = 134,377.21 : x
  2. Step 2: Convert to fraction form
    302,777.58/453,854.64 = 134,377.21/x
  3. Step 3: Cross multiply
    302,777.58x = 453,854.64 × 134,377.21
  4. Step 4: Simplify right side
    302,777.58x = 60,987,721,339.99
  5. Step 5: Solve for x
    x = 60,987,721,339.99/302,777.58
  6. Step 6: Final answer
    x = 201,427.47

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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.