Finding the Fourth Proportional to 212,393.36, 318,589.65 and 62,738.75
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Solution
The fourth proportional to 212,393.36, 318,589.65 and 62,738.75 is: 94,108.01
Step by Step Solution
- Step 1: Write the proportion equation
212,393.36 : 318,589.65 = 62,738.75 : x - Step 2: Convert to fraction form
212,393.36/318,589.65 = 62,738.75/x - Step 3: Cross multiply
212,393.36x = 318,589.65 × 62,738.75 - Step 4: Simplify right side
212,393.36x = 19,987,916,090.24 - Step 5: Solve for x
x = 19,987,916,090.24/212,393.36 - Step 6: Final answer
x = 94,108.01
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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.