Finding the Fourth Proportional to 551,792.80, 827,689.20 and 197,207.20
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Solution
The fourth proportional to 551,792.80, 827,689.20 and 197,207.20 is: 295,810.80
Step by Step Solution
- Step 1: Write the proportion equation
551,792.80 : 827,689.20 = 197,207.20 : x - Step 2: Convert to fraction form
551,792.80/827,689.20 = 197,207.20/x - Step 3: Cross multiply
551,792.80x = 827,689.20 × 197,207.20 - Step 4: Simplify right side
551,792.80x = 163,226,269,602.24 - Step 5: Solve for x
x = 163,226,269,602.24/551,792.80 - Step 6: Final answer
x = 295,810.80
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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.