Home / 373,261.30-515,108.33-209,920.93

Finding the Fourth Proportional to 373,261.30, 515,108.33 and 209,920.93

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Solution

The fourth proportional to 373,261.30, 515,108.33 and 209,920.93 is: 289,695.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,261.30 : 515,108.33 = 209,920.93 : x
  2. Step 2: Convert to fraction form
    373,261.30/515,108.33 = 209,920.93/x
  3. Step 3: Cross multiply
    373,261.30x = 515,108.33 × 209,920.93
  4. Step 4: Simplify right side
    373,261.30x = 108,132,019,684.35
  5. Step 5: Solve for x
    x = 108,132,019,684.35/373,261.30
  6. Step 6: Final answer
    x = 289,695.23

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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.