Finding the Fourth Proportional to 144,752.92, 217,129.47 and 39,563.98
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Solution
The fourth proportional to 144,752.92, 217,129.47 and 39,563.98 is: 59,345.99
Step by Step Solution
- Step 1: Write the proportion equation
144,752.92 : 217,129.47 = 39,563.98 : x - Step 2: Convert to fraction form
144,752.92/217,129.47 = 39,563.98/x - Step 3: Cross multiply
144,752.92x = 217,129.47 × 39,563.98 - Step 4: Simplify right side
144,752.92x = 8,590,506,008.49 - Step 5: Solve for x
x = 8,590,506,008.49/144,752.92 - Step 6: Final answer
x = 59,345.99
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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.