Home / 459,290.61-633,785.14-255,329.12

Finding the Fourth Proportional to 459,290.61, 633,785.14 and 255,329.12

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Solution

The fourth proportional to 459,290.61, 633,785.14 and 255,329.12 is: 352,334.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,290.61 : 633,785.14 = 255,329.12 : x
  2. Step 2: Convert to fraction form
    459,290.61/633,785.14 = 255,329.12/x
  3. Step 3: Cross multiply
    459,290.61x = 633,785.14 × 255,329.12
  4. Step 4: Simplify right side
    459,290.61x = 161,823,802,065.28
  5. Step 5: Solve for x
    x = 161,823,802,065.28/459,290.61
  6. Step 6: Final answer
    x = 352,334.23

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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.