Home / 302,812.05-454,284.57-89,563.31

Finding the Fourth Proportional to 302,812.05, 454,284.57 and 89,563.31

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Solution

The fourth proportional to 302,812.05, 454,284.57 and 89,563.31 is: 134,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,812.05 : 454,284.57 = 89,563.31 : x
  2. Step 2: Convert to fraction form
    302,812.05/454,284.57 = 89,563.31/x
  3. Step 3: Cross multiply
    302,812.05x = 454,284.57 × 89,563.31
  4. Step 4: Simplify right side
    302,812.05x = 40,687,227,499.70
  5. Step 5: Solve for x
    x = 40,687,227,499.70/302,812.05
  6. Step 6: Final answer
    x = 134,364.62

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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.