Finding the Fourth Proportional to 548,117.80, 822,176.70 and 268,181.80
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Solution
The fourth proportional to 548,117.80, 822,176.70 and 268,181.80 is: 402,272.70
Step by Step Solution
- Step 1: Write the proportion equation
548,117.80 : 822,176.70 = 268,181.80 : x - Step 2: Convert to fraction form
548,117.80/822,176.70 = 268,181.80/x - Step 3: Cross multiply
548,117.80x = 822,176.70 × 268,181.80 - Step 4: Simplify right side
548,117.80x = 220,492,827,324.06 - Step 5: Solve for x
x = 220,492,827,324.06/548,117.80 - Step 6: Final answer
x = 402,272.70
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1.5x scale
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.