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Finding the Fourth Proportional to 213,991.94, 295,308.80 and 118,498.62

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Solution

The fourth proportional to 213,991.94, 295,308.80 and 118,498.62 is: 163,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,991.94 : 295,308.80 = 118,498.62 : x
  2. Step 2: Convert to fraction form
    213,991.94/295,308.80 = 118,498.62/x
  3. Step 3: Cross multiply
    213,991.94x = 295,308.80 × 118,498.62
  4. Step 4: Simplify right side
    213,991.94x = 34,993,685,273.86
  5. Step 5: Solve for x
    x = 34,993,685,273.86/213,991.94
  6. Step 6: Final answer
    x = 163,528.05

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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.