Home / 302,557.40-453,836.10-80,941.40

Finding the Fourth Proportional to 302,557.40, 453,836.10 and 80,941.40

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Solution

The fourth proportional to 302,557.40, 453,836.10 and 80,941.40 is: 121,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,557.40 : 453,836.10 = 80,941.40 : x
  2. Step 2: Convert to fraction form
    302,557.40/453,836.10 = 80,941.40/x
  3. Step 3: Cross multiply
    302,557.40x = 453,836.10 × 80,941.40
  4. Step 4: Simplify right side
    302,557.40x = 36,734,129,304.54
  5. Step 5: Solve for x
    x = 36,734,129,304.54/302,557.40
  6. Step 6: Final answer
    x = 121,412.10

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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.