Finding the Fourth Proportional to 276,186.96, 412,264.17 and 236,995.92
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Solution
The fourth proportional to 276,186.96, 412,264.17 and 236,995.92 is: 353,763.72
Step by Step Solution
- Step 1: Write the proportion equation
276,186.96 : 412,264.17 = 236,995.92 : x - Step 2: Convert to fraction form
276,186.96/412,264.17 = 236,995.92/x - Step 3: Cross multiply
276,186.96x = 412,264.17 × 236,995.92 - Step 4: Simplify right side
276,186.96x = 97,704,926,252.19 - Step 5: Solve for x
x = 97,704,926,252.19/276,186.96 - Step 6: Final answer
x = 353,763.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.