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Finding the Fourth Proportional to 245,151.80, 367,727.70 and 87,323.30

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Solution

The fourth proportional to 245,151.80, 367,727.70 and 87,323.30 is: 130,984.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,151.80 : 367,727.70 = 87,323.30 : x
  2. Step 2: Convert to fraction form
    245,151.80/367,727.70 = 87,323.30/x
  3. Step 3: Cross multiply
    245,151.80x = 367,727.70 × 87,323.30
  4. Step 4: Simplify right side
    245,151.80x = 32,111,196,265.41
  5. Step 5: Solve for x
    x = 32,111,196,265.41/245,151.80
  6. Step 6: Final answer
    x = 130,984.95

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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.