Finding the Fourth Proportional to 451,245.56, 676,417.86 and 225,918.08
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Solution
The fourth proportional to 451,245.56, 676,417.86 and 225,918.08 is: 338,651.59
Step by Step Solution
- Step 1: Write the proportion equation
451,245.56 : 676,417.86 = 225,918.08 : x - Step 2: Convert to fraction form
451,245.56/676,417.86 = 225,918.08/x - Step 3: Cross multiply
451,245.56x = 676,417.86 × 225,918.08 - Step 4: Simplify right side
451,245.56x = 152,815,024,208.91 - Step 5: Solve for x
x = 152,815,024,208.91/451,245.56 - Step 6: Final answer
x = 338,651.59
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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.