Home / 211,125.40-316,688.10-201,794.20

Finding the Fourth Proportional to 211,125.40, 316,688.10 and 201,794.20

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Solution

The fourth proportional to 211,125.40, 316,688.10 and 201,794.20 is: 302,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,125.40 : 316,688.10 = 201,794.20 : x
  2. Step 2: Convert to fraction form
    211,125.40/316,688.10 = 201,794.20/x
  3. Step 3: Cross multiply
    211,125.40x = 316,688.10 × 201,794.20
  4. Step 4: Simplify right side
    211,125.40x = 63,905,821,789.02
  5. Step 5: Solve for x
    x = 63,905,821,789.02/211,125.40
  6. Step 6: Final answer
    x = 302,691.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.