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Finding the Fourth Proportional to 283,880.44, 425,748 and 84,154.12

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Solution

The fourth proportional to 283,880.44, 425,748 and 84,154.12 is: 126,209.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,880.44 : 425,748 = 84,154.12 : x
  2. Step 2: Convert to fraction form
    283,880.44/425,748 = 84,154.12/x
  3. Step 3: Cross multiply
    283,880.44x = 425,748 × 84,154.12
  4. Step 4: Simplify right side
    283,880.44x = 35,828,448,281.76
  5. Step 5: Solve for x
    x = 35,828,448,281.76/283,880.44
  6. Step 6: Final answer
    x = 126,209.64

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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.