Finding the Fourth Proportional to 632,228.25, 872,481.88 and 345,742.19
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Solution
The fourth proportional to 632,228.25, 872,481.88 and 345,742.19 is: 477,127.99
Step by Step Solution
- Step 1: Write the proportion equation
632,228.25 : 872,481.88 = 345,742.19 : x - Step 2: Convert to fraction form
632,228.25/872,481.88 = 345,742.19/x - Step 3: Cross multiply
632,228.25x = 872,481.88 × 345,742.19 - Step 4: Simplify right side
632,228.25x = 301,653,795,926.52 - Step 5: Solve for x
x = 301,653,795,926.52/632,228.25 - Step 6: Final answer
x = 477,127.99
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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.