Finding the Fourth Proportional to 153,370.13, 211,596.01 and 88,804.13
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Solution
The fourth proportional to 153,370.13, 211,596.01 and 88,804.13 is: 122,517.99
Step by Step Solution
- Step 1: Write the proportion equation
153,370.13 : 211,596.01 = 88,804.13 : x - Step 2: Convert to fraction form
153,370.13/211,596.01 = 88,804.13/x - Step 3: Cross multiply
153,370.13x = 211,596.01 × 88,804.13 - Step 4: Simplify right side
153,370.13x = 18,790,599,837.81 - Step 5: Solve for x
x = 18,790,599,837.81/153,370.13 - Step 6: Final answer
x = 122,517.99
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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.