Finding the Fourth Proportional to 98,328.24, 135,654.48 and 60,536.88
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Solution
The fourth proportional to 98,328.24, 135,654.48 and 60,536.88 is: 83,517.20
Step by Step Solution
- Step 1: Write the proportion equation
98,328.24 : 135,654.48 = 60,536.88 : x - Step 2: Convert to fraction form
98,328.24/135,654.48 = 60,536.88/x - Step 3: Cross multiply
98,328.24x = 135,654.48 × 60,536.88 - Step 4: Simplify right side
98,328.24x = 8,212,098,977.22 - Step 5: Solve for x
x = 8,212,098,977.22/98,328.24 - Step 6: Final answer
x = 83,517.20
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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.