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Finding the Fourth Proportional to 213,954.61, 295,266.58 and 118,461.30

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Solution

The fourth proportional to 213,954.61, 295,266.58 and 118,461.30 is: 163,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,954.61 : 295,266.58 = 118,461.30 : x
  2. Step 2: Convert to fraction form
    213,954.61/295,266.58 = 118,461.30/x
  3. Step 3: Cross multiply
    213,954.61x = 295,266.58 × 118,461.30
  4. Step 4: Simplify right side
    213,954.61x = 34,977,662,913.35
  5. Step 5: Solve for x
    x = 34,977,662,913.35/213,954.61
  6. Step 6: Final answer
    x = 163,481.70

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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.