Finding the Fourth Proportional to 534,316.80, 800,203.08 and 309,202.68
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Solution
The fourth proportional to 534,316.80, 800,203.08 and 309,202.68 is: 463,067.86
Step by Step Solution
- Step 1: Write the proportion equation
534,316.80 : 800,203.08 = 309,202.68 : x - Step 2: Convert to fraction form
534,316.80/800,203.08 = 309,202.68/x - Step 3: Cross multiply
534,316.80x = 800,203.08 × 309,202.68 - Step 4: Simplify right side
534,316.80x = 247,424,936,880.25 - Step 5: Solve for x
x = 247,424,936,880.25/534,316.80 - Step 6: Final answer
x = 463,067.86
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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.