Home / 280,260.53-386,767.69-152,944.32

Finding the Fourth Proportional to 280,260.53, 386,767.69 and 152,944.32

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Solution

The fourth proportional to 280,260.53, 386,767.69 and 152,944.32 is: 211,067.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,260.53 : 386,767.69 = 152,944.32 : x
  2. Step 2: Convert to fraction form
    280,260.53/386,767.69 = 152,944.32/x
  3. Step 3: Cross multiply
    280,260.53x = 386,767.69 × 152,944.32
  4. Step 4: Simplify right side
    280,260.53x = 59,153,921,345.02
  5. Step 5: Solve for x
    x = 59,153,921,345.02/280,260.53
  6. Step 6: Final answer
    x = 211,067.62

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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.