Finding the Fourth Proportional to 98,348.97, 135,724.98 and 62,538.20
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Solution
The fourth proportional to 98,348.97, 135,724.98 and 62,538.20 is: 86,304.88
Step by Step Solution
- Step 1: Write the proportion equation
98,348.97 : 135,724.98 = 62,538.20 : x - Step 2: Convert to fraction form
98,348.97/135,724.98 = 62,538.20/x - Step 3: Cross multiply
98,348.97x = 135,724.98 × 62,538.20 - Step 4: Simplify right side
98,348.97x = 8,487,995,944.24 - Step 5: Solve for x
x = 8,487,995,944.24/98,348.97 - Step 6: Final answer
x = 86,304.88
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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.