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Finding the Fourth Proportional to 250,783.80, 346,081.61 and 143,356.14

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Solution

The fourth proportional to 250,783.80, 346,081.61 and 143,356.14 is: 197,831.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,783.80 : 346,081.61 = 143,356.14 : x
  2. Step 2: Convert to fraction form
    250,783.80/346,081.61 = 143,356.14/x
  3. Step 3: Cross multiply
    250,783.80x = 346,081.61 × 143,356.14
  4. Step 4: Simplify right side
    250,783.80x = 49,612,923,017.80
  5. Step 5: Solve for x
    x = 49,612,923,017.80/250,783.80
  6. Step 6: Final answer
    x = 197,831.45

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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.