Finding the Fourth Proportional to 206,641.19, 309,920.99 and 56,842.83
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Solution
The fourth proportional to 206,641.19, 309,920.99 and 56,842.83 is: 85,253.02
Step by Step Solution
- Step 1: Write the proportion equation
206,641.19 : 309,920.99 = 56,842.83 : x - Step 2: Convert to fraction form
206,641.19/309,920.99 = 56,842.83/x - Step 3: Cross multiply
206,641.19x = 309,920.99 × 56,842.83 - Step 4: Simplify right side
206,641.19x = 17,616,785,863.79 - Step 5: Solve for x
x = 17,616,785,863.79/206,641.19 - Step 6: Final answer
x = 85,253.02
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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.