Home / 312,134.84-468,215.60-122,636.24

Finding the Fourth Proportional to 312,134.84, 468,215.60 and 122,636.24

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Solution

The fourth proportional to 312,134.84, 468,215.60 and 122,636.24 is: 183,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,134.84 : 468,215.60 = 122,636.24 : x
  2. Step 2: Convert to fraction form
    312,134.84/468,215.60 = 122,636.24/x
  3. Step 3: Cross multiply
    312,134.84x = 468,215.60 × 122,636.24
  4. Step 4: Simplify right side
    312,134.84x = 57,420,200,693.34
  5. Step 5: Solve for x
    x = 57,420,200,693.34/312,134.84
  6. Step 6: Final answer
    x = 183,959.60

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1.5x scale

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.