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Finding the Fourth Proportional to 302,145.40, 453,282.90 and 91,804.60

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Solution

The fourth proportional to 302,145.40, 453,282.90 and 91,804.60 is: 137,726.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,145.40 : 453,282.90 = 91,804.60 : x
  2. Step 2: Convert to fraction form
    302,145.40/453,282.90 = 91,804.60/x
  3. Step 3: Cross multiply
    302,145.40x = 453,282.90 × 91,804.60
  4. Step 4: Simplify right side
    302,145.40x = 41,613,455,321.34
  5. Step 5: Solve for x
    x = 41,613,455,321.34/302,145.40
  6. Step 6: Final answer
    x = 137,726.59

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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.