Home / 459,019.48-633,434.19-255,065.12

Finding the Fourth Proportional to 459,019.48, 633,434.19 and 255,065.12

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Solution

The fourth proportional to 459,019.48, 633,434.19 and 255,065.12 is: 351,982.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,019.48 : 633,434.19 = 255,065.12 : x
  2. Step 2: Convert to fraction form
    459,019.48/633,434.19 = 255,065.12/x
  3. Step 3: Cross multiply
    459,019.48x = 633,434.19 × 255,065.12
  4. Step 4: Simplify right side
    459,019.48x = 161,566,967,684.45
  5. Step 5: Solve for x
    x = 161,566,967,684.45/459,019.48
  6. Step 6: Final answer
    x = 351,982.81

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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.