Finding the Fourth Proportional to 105,590.90, 158,369.82 and 34,512.99
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Solution
The fourth proportional to 105,590.90, 158,369.82 and 34,512.99 is: 51,764.08
Step by Step Solution
- Step 1: Write the proportion equation
105,590.90 : 158,369.82 = 34,512.99 : x - Step 2: Convert to fraction form
105,590.90/158,369.82 = 34,512.99/x - Step 3: Cross multiply
105,590.90x = 158,369.82 × 34,512.99 - Step 4: Simplify right side
105,590.90x = 5,465,815,841.40 - Step 5: Solve for x
x = 5,465,815,841.40/105,590.90 - Step 6: Final answer
x = 51,764.08
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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.