Home / 245,276.84-338,574.52-143,335.43

Finding the Fourth Proportional to 245,276.84, 338,574.52 and 143,335.43

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Solution

The fourth proportional to 245,276.84, 338,574.52 and 143,335.43 is: 197,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,276.84 : 338,574.52 = 143,335.43 : x
  2. Step 2: Convert to fraction form
    245,276.84/338,574.52 = 143,335.43/x
  3. Step 3: Cross multiply
    245,276.84x = 338,574.52 × 143,335.43
  4. Step 4: Simplify right side
    245,276.84x = 48,529,723,060.10
  5. Step 5: Solve for x
    x = 48,529,723,060.10/245,276.84
  6. Step 6: Final answer
    x = 197,856.93

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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.