Finding the Fourth Proportional to 276,118.47, 413,636.42 and 143,085.99
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Solution
The fourth proportional to 276,118.47, 413,636.42 and 143,085.99 is: 214,348.50
Step by Step Solution
- Step 1: Write the proportion equation
276,118.47 : 413,636.42 = 143,085.99 : x - Step 2: Convert to fraction form
276,118.47/413,636.42 = 143,085.99/x - Step 3: Cross multiply
276,118.47x = 413,636.42 × 143,085.99 - Step 4: Simplify right side
276,118.47x = 59,185,578,564.61 - Step 5: Solve for x
x = 59,185,578,564.61/276,118.47 - Step 6: Final answer
x = 214,348.50
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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.