Finding the Fourth Proportional to 98,173.74, 147,316.86 and 38,194.38
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Solution
The fourth proportional to 98,173.74, 147,316.86 and 38,194.38 is: 57,313.45
Step by Step Solution
- Step 1: Write the proportion equation
98,173.74 : 147,316.86 = 38,194.38 : x - Step 2: Convert to fraction form
98,173.74/147,316.86 = 38,194.38/x - Step 3: Cross multiply
98,173.74x = 147,316.86 × 38,194.38 - Step 4: Simplify right side
98,173.74x = 5,626,676,131.25 - Step 5: Solve for x
x = 5,626,676,131.25/98,173.74 - Step 6: Final answer
x = 57,313.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.