Finding the Fourth Proportional to 141,985.24, 212,915.73 and 53,176.48
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Solution
The fourth proportional to 141,985.24, 212,915.73 and 53,176.48 is: 79,741.45
Step by Step Solution
- Step 1: Write the proportion equation
141,985.24 : 212,915.73 = 53,176.48 : x - Step 2: Convert to fraction form
141,985.24/212,915.73 = 53,176.48/x - Step 3: Cross multiply
141,985.24x = 212,915.73 × 53,176.48 - Step 4: Simplify right side
141,985.24x = 11,322,109,058.03 - Step 5: Solve for x
x = 11,322,109,058.03/141,985.24 - Step 6: Final answer
x = 79,741.45
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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.