Finding the Fourth Proportional to 548,297.80, 822,446.70 and 312,101.80
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Solution
The fourth proportional to 548,297.80, 822,446.70 and 312,101.80 is: 468,152.70
Step by Step Solution
- Step 1: Write the proportion equation
548,297.80 : 822,446.70 = 312,101.80 : x - Step 2: Convert to fraction form
548,297.80/822,446.70 = 312,101.80/x - Step 3: Cross multiply
548,297.80x = 822,446.70 × 312,101.80 - Step 4: Simplify right side
548,297.80x = 256,687,095,474.06 - Step 5: Solve for x
x = 256,687,095,474.06/548,297.80 - Step 6: Final answer
x = 468,152.70
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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.