Finding the Fourth Proportional to 206,398.74, 309,598.44 and 56,641.08
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Solution
The fourth proportional to 206,398.74, 309,598.44 and 56,641.08 is: 84,961.71
Step by Step Solution
- Step 1: Write the proportion equation
206,398.74 : 309,598.44 = 56,641.08 : x - Step 2: Convert to fraction form
206,398.74/309,598.44 = 56,641.08/x - Step 3: Cross multiply
206,398.74x = 309,598.44 × 56,641.08 - Step 4: Simplify right side
206,398.74x = 17,535,990,007.92 - Step 5: Solve for x
x = 17,535,990,007.92/206,398.74 - Step 6: Final answer
x = 84,961.71
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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.