Home / 217,946.70-300,774.06-122,451.48

Finding the Fourth Proportional to 217,946.70, 300,774.06 and 122,451.48

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Solution

The fourth proportional to 217,946.70, 300,774.06 and 122,451.48 is: 168,987.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,946.70 : 300,774.06 = 122,451.48 : x
  2. Step 2: Convert to fraction form
    217,946.70/300,774.06 = 122,451.48/x
  3. Step 3: Cross multiply
    217,946.70x = 300,774.06 × 122,451.48
  4. Step 4: Simplify right side
    217,946.70x = 36,830,228,792.61
  5. Step 5: Solve for x
    x = 36,830,228,792.61/217,946.70
  6. Step 6: Final answer
    x = 168,987.32

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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.