Home / 459,310.90-633,870.14-255,382.77

Finding the Fourth Proportional to 459,310.90, 633,870.14 and 255,382.77

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Solution

The fourth proportional to 459,310.90, 633,870.14 and 255,382.77 is: 352,439.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,310.90 : 633,870.14 = 255,382.77 : x
  2. Step 2: Convert to fraction form
    459,310.90/633,870.14 = 255,382.77/x
  3. Step 3: Cross multiply
    459,310.90x = 633,870.14 × 255,382.77
  4. Step 4: Simplify right side
    459,310.90x = 161,879,512,173.49
  5. Step 5: Solve for x
    x = 161,879,512,173.49/459,310.90
  6. Step 6: Final answer
    x = 352,439.95

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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.