Finding the Fourth Proportional to 577,827.62, 866,859.65 and 198,699.11
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Solution
The fourth proportional to 577,827.62, 866,859.65 and 198,699.11 is: 298,089.32
Step by Step Solution
- Step 1: Write the proportion equation
577,827.62 : 866,859.65 = 198,699.11 : x - Step 2: Convert to fraction form
577,827.62/866,859.65 = 198,699.11/x - Step 3: Cross multiply
577,827.62x = 866,859.65 × 198,699.11 - Step 4: Simplify right side
577,827.62x = 172,244,240,949.91 - Step 5: Solve for x
x = 172,244,240,949.91/577,827.62 - Step 6: Final answer
x = 298,089.32
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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.