Home / 283,087.08-424,630.62-72,725.22

Finding the Fourth Proportional to 283,087.08, 424,630.62 and 72,725.22

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Solution

The fourth proportional to 283,087.08, 424,630.62 and 72,725.22 is: 109,087.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,087.08 : 424,630.62 = 72,725.22 : x
  2. Step 2: Convert to fraction form
    283,087.08/424,630.62 = 72,725.22/x
  3. Step 3: Cross multiply
    283,087.08x = 424,630.62 × 72,725.22
  4. Step 4: Simplify right side
    283,087.08x = 30,881,355,258.24
  5. Step 5: Solve for x
    x = 30,881,355,258.24/283,087.08
  6. Step 6: Final answer
    x = 109,087.83

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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.