Home / 459,439.69-633,933.86-268,416.18

Finding the Fourth Proportional to 459,439.69, 633,933.86 and 268,416.18

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Solution

The fourth proportional to 459,439.69, 633,933.86 and 268,416.18 is: 370,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,439.69 : 633,933.86 = 268,416.18 : x
  2. Step 2: Convert to fraction form
    459,439.69/633,933.86 = 268,416.18/x
  3. Step 3: Cross multiply
    459,439.69x = 633,933.86 × 268,416.18
  4. Step 4: Simplify right side
    459,439.69x = 170,158,105,073.86
  5. Step 5: Solve for x
    x = 170,158,105,073.86/459,439.69
  6. Step 6: Final answer
    x = 370,360.05

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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.