Finding the Fourth Proportional to 212,129.01, 292,782.56 and 134,554.50
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Solution
The fourth proportional to 212,129.01, 292,782.56 and 134,554.50 is: 185,713.45
Step by Step Solution
- Step 1: Write the proportion equation
212,129.01 : 292,782.56 = 134,554.50 : x - Step 2: Convert to fraction form
212,129.01/292,782.56 = 134,554.50/x - Step 3: Cross multiply
212,129.01x = 292,782.56 × 134,554.50 - Step 4: Simplify right side
212,129.01x = 39,395,210,296.75 - Step 5: Solve for x
x = 39,395,210,296.75/212,129.01 - Step 6: Final answer
x = 185,713.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.