Home / 421,284.46-631,367.78-184,369.18

Finding the Fourth Proportional to 421,284.46, 631,367.78 and 184,369.18

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Solution

The fourth proportional to 421,284.46, 631,367.78 and 184,369.18 is: 276,309.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,284.46 : 631,367.78 = 184,369.18 : x
  2. Step 2: Convert to fraction form
    421,284.46/631,367.78 = 184,369.18/x
  3. Step 3: Cross multiply
    421,284.46x = 631,367.78 × 184,369.18
  4. Step 4: Simplify right side
    421,284.46x = 116,404,759,877.02
  5. Step 5: Solve for x
    x = 116,404,759,877.02/421,284.46
  6. Step 6: Final answer
    x = 276,309.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.