Finding the Fourth Proportional to 379,703.98, 524,001.99 and 209,944.18
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Solution
The fourth proportional to 379,703.98, 524,001.99 and 209,944.18 is: 289,728.77
Step by Step Solution
- Step 1: Write the proportion equation
379,703.98 : 524,001.99 = 209,944.18 : x - Step 2: Convert to fraction form
379,703.98/524,001.99 = 209,944.18/x - Step 3: Cross multiply
379,703.98x = 524,001.99 × 209,944.18 - Step 4: Simplify right side
379,703.98x = 110,011,168,108.92 - Step 5: Solve for x
x = 110,011,168,108.92/379,703.98 - Step 6: Final answer
x = 289,728.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.