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Finding the Fourth Proportional to 459,267.36, 633,810.59 and 255,321.68

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Solution

The fourth proportional to 459,267.36, 633,810.59 and 255,321.68 is: 352,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,267.36 : 633,810.59 = 255,321.68 : x
  2. Step 2: Convert to fraction form
    459,267.36/633,810.59 = 255,321.68/x
  3. Step 3: Cross multiply
    459,267.36x = 633,810.59 × 255,321.68
  4. Step 4: Simplify right side
    459,267.36x = 161,825,586,863.42
  5. Step 5: Solve for x
    x = 161,825,586,863.42/459,267.36
  6. Step 6: Final answer
    x = 352,355.95

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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.