Home / 674,740.80-1,012,111.20-176,104.80

Finding the Fourth Proportional to 674,740.80, 1,012,111.20 and 176,104.80

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Solution

The fourth proportional to 674,740.80, 1,012,111.20 and 176,104.80 is: 264,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,740.80 : 1,012,111.20 = 176,104.80 : x
  2. Step 2: Convert to fraction form
    674,740.80/1,012,111.20 = 176,104.80/x
  3. Step 3: Cross multiply
    674,740.80x = 1,012,111.20 × 176,104.80
  4. Step 4: Simplify right side
    674,740.80x = 178,237,640,453.76
  5. Step 5: Solve for x
    x = 178,237,640,453.76/674,740.80
  6. Step 6: Final answer
    x = 264,157.20

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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.