Home / 460,086.55-634,926-256,146.37

Finding the Fourth Proportional to 460,086.55, 634,926 and 256,146.37

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Solution

The fourth proportional to 460,086.55, 634,926 and 256,146.37 is: 353,485.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,086.55 : 634,926 = 256,146.37 : x
  2. Step 2: Convert to fraction form
    460,086.55/634,926 = 256,146.37/x
  3. Step 3: Cross multiply
    460,086.55x = 634,926 × 256,146.37
  4. Step 4: Simplify right side
    460,086.55x = 162,633,990,118.62
  5. Step 5: Solve for x
    x = 162,633,990,118.62/460,086.55
  6. Step 6: Final answer
    x = 353,485.64

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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.