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Finding the Fourth Proportional to 302,051.40, 453,141.90 and 91,710.60

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Solution

The fourth proportional to 302,051.40, 453,141.90 and 91,710.60 is: 137,585.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,051.40 : 453,141.90 = 91,710.60 : x
  2. Step 2: Convert to fraction form
    302,051.40/453,141.90 = 91,710.60/x
  3. Step 3: Cross multiply
    302,051.40x = 453,141.90 × 91,710.60
  4. Step 4: Simplify right side
    302,051.40x = 41,557,915,534.14
  5. Step 5: Solve for x
    x = 41,557,915,534.14/302,051.40
  6. Step 6: Final answer
    x = 137,585.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.