Home / 374,886.07-517,266.34-221,847.66

Finding the Fourth Proportional to 374,886.07, 517,266.34 and 221,847.66

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Solution

The fourth proportional to 374,886.07, 517,266.34 and 221,847.66 is: 306,104.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,886.07 : 517,266.34 = 221,847.66 : x
  2. Step 2: Convert to fraction form
    374,886.07/517,266.34 = 221,847.66/x
  3. Step 3: Cross multiply
    374,886.07x = 517,266.34 × 221,847.66
  4. Step 4: Simplify right side
    374,886.07x = 114,754,326,571.15
  5. Step 5: Solve for x
    x = 114,754,326,571.15/374,886.07
  6. Step 6: Final answer
    x = 306,104.54

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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.