Home / 849,402.16-1,274,105.86-209,705.96

Finding the Fourth Proportional to 849,402.16, 1,274,105.86 and 209,705.96

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Solution

The fourth proportional to 849,402.16, 1,274,105.86 and 209,705.96 is: 314,559.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,402.16 : 1,274,105.86 = 209,705.96 : x
  2. Step 2: Convert to fraction form
    849,402.16/1,274,105.86 = 209,705.96/x
  3. Step 3: Cross multiply
    849,402.16x = 1,274,105.86 × 209,705.96
  4. Step 4: Simplify right side
    849,402.16x = 267,187,595,173.93
  5. Step 5: Solve for x
    x = 267,187,595,173.93/849,402.16
  6. Step 6: Final answer
    x = 314,559.59

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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.