Finding the Fourth Proportional to 551,207.80, 826,811.70 and 271,271.80
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Solution
The fourth proportional to 551,207.80, 826,811.70 and 271,271.80 is: 406,907.70
Step by Step Solution
- Step 1: Write the proportion equation
551,207.80 : 826,811.70 = 271,271.80 : x - Step 2: Convert to fraction form
551,207.80/826,811.70 = 271,271.80/x - Step 3: Cross multiply
551,207.80x = 826,811.70 × 271,271.80 - Step 4: Simplify right side
551,207.80x = 224,290,698,120.06 - Step 5: Solve for x
x = 224,290,698,120.06/551,207.80 - Step 6: Final answer
x = 406,907.70
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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.