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Finding the Fourth Proportional to 300,416.77, 450,639.70 and 98,012.48

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Solution

The fourth proportional to 300,416.77, 450,639.70 and 98,012.48 is: 147,023.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,416.77 : 450,639.70 = 98,012.48 : x
  2. Step 2: Convert to fraction form
    300,416.77/450,639.70 = 98,012.48/x
  3. Step 3: Cross multiply
    300,416.77x = 450,639.70 × 98,012.48
  4. Step 4: Simplify right side
    300,416.77x = 44,168,315,171.39
  5. Step 5: Solve for x
    x = 44,168,315,171.39/300,416.77
  6. Step 6: Final answer
    x = 147,023.47

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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.