Finding the Fourth Proportional to 212,098.12, 292,697.30 and 115,302.17
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Solution
The fourth proportional to 212,098.12, 292,697.30 and 115,302.17 is: 159,118.03
Step by Step Solution
- Step 1: Write the proportion equation
212,098.12 : 292,697.30 = 115,302.17 : x - Step 2: Convert to fraction form
212,098.12/292,697.30 = 115,302.17/x - Step 3: Cross multiply
212,098.12x = 292,697.30 × 115,302.17 - Step 4: Simplify right side
212,098.12x = 33,748,634,863.14 - Step 5: Solve for x
x = 33,748,634,863.14/212,098.12 - Step 6: Final answer
x = 159,118.03
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1.5x scale
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.