Home / 374,684.40-517,032.12-211,331.91

Finding the Fourth Proportional to 374,684.40, 517,032.12 and 211,331.91

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Solution

The fourth proportional to 374,684.40, 517,032.12 and 211,331.91 is: 291,619.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,684.40 : 517,032.12 = 211,331.91 : x
  2. Step 2: Convert to fraction form
    374,684.40/517,032.12 = 211,331.91/x
  3. Step 3: Cross multiply
    374,684.40x = 517,032.12 × 211,331.91
  4. Step 4: Simplify right side
    374,684.40x = 109,265,385,450.95
  5. Step 5: Solve for x
    x = 109,265,385,450.95/374,684.40
  6. Step 6: Final answer
    x = 291,619.79

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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.