Finding the Fourth Proportional to 212,229.98, 317,971.27 and 199,587.50
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Solution
The fourth proportional to 212,229.98, 317,971.27 and 199,587.50 is: 299,029.81
Step by Step Solution
- Step 1: Write the proportion equation
212,229.98 : 317,971.27 = 199,587.50 : x - Step 2: Convert to fraction form
212,229.98/317,971.27 = 199,587.50/x - Step 3: Cross multiply
212,229.98x = 317,971.27 × 199,587.50 - Step 4: Simplify right side
212,229.98x = 63,463,090,851.13 - Step 5: Solve for x
x = 63,463,090,851.13/212,229.98 - Step 6: Final answer
x = 299,029.81
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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.