Home / 373,623.46-515,611.76-212,501.70

Finding the Fourth Proportional to 373,623.46, 515,611.76 and 212,501.70

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Solution

The fourth proportional to 373,623.46, 515,611.76 and 212,501.70 is: 293,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,623.46 : 515,611.76 = 212,501.70 : x
  2. Step 2: Convert to fraction form
    373,623.46/515,611.76 = 212,501.70/x
  3. Step 3: Cross multiply
    373,623.46x = 515,611.76 × 212,501.70
  4. Step 4: Simplify right side
    373,623.46x = 109,568,374,477.48
  5. Step 5: Solve for x
    x = 109,568,374,477.48/373,623.46
  6. Step 6: Final answer
    x = 293,258.82

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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.