Finding the Fourth Proportional to 98,261.07, 135,622.14 and 62,444.09
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Solution
The fourth proportional to 98,261.07, 135,622.14 and 62,444.09 is: 86,186.73
Step by Step Solution
- Step 1: Write the proportion equation
98,261.07 : 135,622.14 = 62,444.09 : x - Step 2: Convert to fraction form
98,261.07/135,622.14 = 62,444.09/x - Step 3: Cross multiply
98,261.07x = 135,622.14 × 62,444.09 - Step 4: Simplify right side
98,261.07x = 8,468,800,438.04 - Step 5: Solve for x
x = 8,468,800,438.04/98,261.07 - Step 6: Final answer
x = 86,186.73
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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.