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Finding the Fourth Proportional to 351,092.31, 484,510.86 and 189,950.82

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Solution

The fourth proportional to 351,092.31, 484,510.86 and 189,950.82 is: 262,134.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,092.31 : 484,510.86 = 189,950.82 : x
  2. Step 2: Convert to fraction form
    351,092.31/484,510.86 = 189,950.82/x
  3. Step 3: Cross multiply
    351,092.31x = 484,510.86 × 189,950.82
  4. Step 4: Simplify right side
    351,092.31x = 92,033,235,155.91
  5. Step 5: Solve for x
    x = 92,033,235,155.91/351,092.31
  6. Step 6: Final answer
    x = 262,134.01

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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.