Home / 250,856.20-346,181.64-143,428.32

Finding the Fourth Proportional to 250,856.20, 346,181.64 and 143,428.32

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Solution

The fourth proportional to 250,856.20, 346,181.64 and 143,428.32 is: 197,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,856.20 : 346,181.64 = 143,428.32 : x
  2. Step 2: Convert to fraction form
    250,856.20/346,181.64 = 143,428.32/x
  3. Step 3: Cross multiply
    250,856.20x = 346,181.64 × 143,428.32
  4. Step 4: Simplify right side
    250,856.20x = 49,652,251,040.04
  5. Step 5: Solve for x
    x = 49,652,251,040.04/250,856.20
  6. Step 6: Final answer
    x = 197,931.13

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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.