Home / 280,241.39-386,742.45-152,923.97

Finding the Fourth Proportional to 280,241.39, 386,742.45 and 152,923.97

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Solution

The fourth proportional to 280,241.39, 386,742.45 and 152,923.97 is: 211,040.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,241.39 : 386,742.45 = 152,923.97 : x
  2. Step 2: Convert to fraction form
    280,241.39/386,742.45 = 152,923.97/x
  3. Step 3: Cross multiply
    280,241.39x = 386,742.45 × 152,923.97
  4. Step 4: Simplify right side
    280,241.39x = 59,142,188,887.81
  5. Step 5: Solve for x
    x = 59,142,188,887.81/280,241.39
  6. Step 6: Final answer
    x = 211,040.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.