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Finding the Fourth Proportional to 247,007.64, 340,870.59 and 133,830.39

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Solution

The fourth proportional to 247,007.64, 340,870.59 and 133,830.39 is: 184,685.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,007.64 : 340,870.59 = 133,830.39 : x
  2. Step 2: Convert to fraction form
    247,007.64/340,870.59 = 133,830.39/x
  3. Step 3: Cross multiply
    247,007.64x = 340,870.59 × 133,830.39
  4. Step 4: Simplify right side
    247,007.64x = 45,618,843,999.23
  5. Step 5: Solve for x
    x = 45,618,843,999.23/247,007.64
  6. Step 6: Final answer
    x = 184,685.96

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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.