Finding the Fourth Proportional to 342,418.08, 513,494.82 and 117,735.96
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Solution
The fourth proportional to 342,418.08, 513,494.82 and 117,735.96 is: 176,558.45
Step by Step Solution
- Step 1: Write the proportion equation
342,418.08 : 513,494.82 = 117,735.96 : x - Step 2: Convert to fraction form
342,418.08/513,494.82 = 117,735.96/x - Step 3: Cross multiply
342,418.08x = 513,494.82 × 117,735.96 - Step 4: Simplify right side
342,418.08x = 60,456,805,587.73 - Step 5: Solve for x
x = 60,456,805,587.73/342,418.08 - Step 6: Final answer
x = 176,558.45
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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.