Home / 322,823.07-445,230.54-286,551

Finding the Fourth Proportional to 322,823.07, 445,230.54 and 286,551

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Solution

The fourth proportional to 322,823.07, 445,230.54 and 286,551 is: 395,204.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,823.07 : 445,230.54 = 286,551 : x
  2. Step 2: Convert to fraction form
    322,823.07/445,230.54 = 286,551/x
  3. Step 3: Cross multiply
    322,823.07x = 445,230.54 × 286,551
  4. Step 4: Simplify right side
    322,823.07x = 127,581,256,467.54
  5. Step 5: Solve for x
    x = 127,581,256,467.54/322,823.07
  6. Step 6: Final answer
    x = 395,204.89

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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.