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Finding the Fourth Proportional to 247,504.32, 340,693.02 and 213,620.40

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Solution

The fourth proportional to 247,504.32, 340,693.02 and 213,620.40 is: 294,051.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,504.32 : 340,693.02 = 213,620.40 : x
  2. Step 2: Convert to fraction form
    247,504.32/340,693.02 = 213,620.40/x
  3. Step 3: Cross multiply
    247,504.32x = 340,693.02 × 213,620.40
  4. Step 4: Simplify right side
    247,504.32x = 72,778,979,209.61
  5. Step 5: Solve for x
    x = 72,778,979,209.61/247,504.32
  6. Step 6: Final answer
    x = 294,051.35

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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.