Finding the Fourth Proportional to 188,385.79, 282,587.91 and 76,051.99
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Solution
The fourth proportional to 188,385.79, 282,587.91 and 76,051.99 is: 114,081.70
Step by Step Solution
- Step 1: Write the proportion equation
188,385.79 : 282,587.91 = 76,051.99 : x - Step 2: Convert to fraction form
188,385.79/282,587.91 = 76,051.99/x - Step 3: Cross multiply
188,385.79x = 282,587.91 × 76,051.99 - Step 4: Simplify right side
188,385.79x = 21,491,371,445.00 - Step 5: Solve for x
x = 21,491,371,445.00/188,385.79 - Step 6: Final answer
x = 114,081.70
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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.