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Finding the Fourth Proportional to 224,764.67, 310,170.06 and 122,790.48

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Solution

The fourth proportional to 224,764.67, 310,170.06 and 122,790.48 is: 169,448.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,764.67 : 310,170.06 = 122,790.48 : x
  2. Step 2: Convert to fraction form
    224,764.67/310,170.06 = 122,790.48/x
  3. Step 3: Cross multiply
    224,764.67x = 310,170.06 × 122,790.48
  4. Step 4: Simplify right side
    224,764.67x = 38,085,931,130.60
  5. Step 5: Solve for x
    x = 38,085,931,130.60/224,764.67
  6. Step 6: Final answer
    x = 169,448.03

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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.