Finding the Fourth Proportional to 357,589.49, 493,388.42 and 202,542.12
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Solution
The fourth proportional to 357,589.49, 493,388.42 and 202,542.12 is: 279,459.94
Step by Step Solution
- Step 1: Write the proportion equation
357,589.49 : 493,388.42 = 202,542.12 : x - Step 2: Convert to fraction form
357,589.49/493,388.42 = 202,542.12/x - Step 3: Cross multiply
357,589.49x = 493,388.42 × 202,542.12 - Step 4: Simplify right side
357,589.49x = 99,931,935,557.54 - Step 5: Solve for x
x = 99,931,935,557.54/357,589.49 - Step 6: Final answer
x = 279,459.94
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1.5x scale
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.