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Finding the Fourth Proportional to 356,271.95, 491,636.87 and 195,095.90

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Solution

The fourth proportional to 356,271.95, 491,636.87 and 195,095.90 is: 269,222.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,271.95 : 491,636.87 = 195,095.90 : x
  2. Step 2: Convert to fraction form
    356,271.95/491,636.87 = 195,095.90/x
  3. Step 3: Cross multiply
    356,271.95x = 491,636.87 × 195,095.90
  4. Step 4: Simplify right side
    356,271.95x = 95,916,337,625.83
  5. Step 5: Solve for x
    x = 95,916,337,625.83/356,271.95
  6. Step 6: Final answer
    x = 269,222.25

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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.