Home / 845,446.21-1,268,158.51-205,751.05

Finding the Fourth Proportional to 845,446.21, 1,268,158.51 and 205,751.05

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Solution

The fourth proportional to 845,446.21, 1,268,158.51 and 205,751.05 is: 308,623.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,446.21 : 1,268,158.51 = 205,751.05 : x
  2. Step 2: Convert to fraction form
    845,446.21/1,268,158.51 = 205,751.05/x
  3. Step 3: Cross multiply
    845,446.21x = 1,268,158.51 × 205,751.05
  4. Step 4: Simplify right side
    845,446.21x = 260,924,941,314.16
  5. Step 5: Solve for x
    x = 260,924,941,314.16/845,446.21
  6. Step 6: Final answer
    x = 308,623.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.