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Finding the Fourth Proportional to 216,931.26, 301,168.35 and 210,435.87

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Solution

The fourth proportional to 216,931.26, 301,168.35 and 210,435.87 is: 292,150.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,931.26 : 301,168.35 = 210,435.87 : x
  2. Step 2: Convert to fraction form
    216,931.26/301,168.35 = 210,435.87/x
  3. Step 3: Cross multiply
    216,931.26x = 301,168.35 × 210,435.87
  4. Step 4: Simplify right side
    216,931.26x = 63,376,625,469.95
  5. Step 5: Solve for x
    x = 63,376,625,469.95/216,931.26
  6. Step 6: Final answer
    x = 292,150.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.