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Finding the Fourth Proportional to 493,185.68, 680,596.24 and 266,831.18

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Solution

The fourth proportional to 493,185.68, 680,596.24 and 266,831.18 is: 368,227.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,185.68 : 680,596.24 = 266,831.18 : x
  2. Step 2: Convert to fraction form
    493,185.68/680,596.24 = 266,831.18/x
  3. Step 3: Cross multiply
    493,185.68x = 680,596.24 × 266,831.18
  4. Step 4: Simplify right side
    493,185.68x = 181,604,297,822.76
  5. Step 5: Solve for x
    x = 181,604,297,822.76/493,185.68
  6. Step 6: Final answer
    x = 368,227.03

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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.