Finding the Fourth Proportional to 113,478.06, 170,217.13 and 113,314.08
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Solution
The fourth proportional to 113,478.06, 170,217.13 and 113,314.08 is: 169,971.16
Step by Step Solution
- Step 1: Write the proportion equation
113,478.06 : 170,217.13 = 113,314.08 : x - Step 2: Convert to fraction form
113,478.06/170,217.13 = 113,314.08/x - Step 3: Cross multiply
113,478.06x = 170,217.13 × 113,314.08 - Step 4: Simplify right side
113,478.06x = 19,287,997,486.19 - Step 5: Solve for x
x = 19,287,997,486.19/113,478.06 - Step 6: Final answer
x = 169,971.16
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1.5x scale
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.