Home / 280,240.64-386,741.41-152,923.22

Finding the Fourth Proportional to 280,240.64, 386,741.41 and 152,923.22

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Solution

The fourth proportional to 280,240.64, 386,741.41 and 152,923.22 is: 211,039.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,240.64 : 386,741.41 = 152,923.22 : x
  2. Step 2: Convert to fraction form
    280,240.64/386,741.41 = 152,923.22/x
  3. Step 3: Cross multiply
    280,240.64x = 386,741.41 × 152,923.22
  4. Step 4: Simplify right side
    280,240.64x = 59,141,741,724.54
  5. Step 5: Solve for x
    x = 59,141,741,724.54/280,240.64
  6. Step 6: Final answer
    x = 211,039.13

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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.