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Finding the Fourth Proportional to 213,714.59, 294,926.40 and 118,227.74

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Solution

The fourth proportional to 213,714.59, 294,926.40 and 118,227.74 is: 163,154.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,714.59 : 294,926.40 = 118,227.74 : x
  2. Step 2: Convert to fraction form
    213,714.59/294,926.40 = 118,227.74/x
  3. Step 3: Cross multiply
    213,714.59x = 294,926.40 × 118,227.74
  4. Step 4: Simplify right side
    213,714.59x = 34,868,480,263.70
  5. Step 5: Solve for x
    x = 34,868,480,263.70/213,714.59
  6. Step 6: Final answer
    x = 163,154.43

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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.