Finding the Fourth Proportional to 98,260.16, 135,599.36 and 55,832.80
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Solution
The fourth proportional to 98,260.16, 135,599.36 and 55,832.80 is: 77,049.46
Step by Step Solution
- Step 1: Write the proportion equation
98,260.16 : 135,599.36 = 55,832.80 : x - Step 2: Convert to fraction form
98,260.16/135,599.36 = 55,832.80/x - Step 3: Cross multiply
98,260.16x = 135,599.36 × 55,832.80 - Step 4: Simplify right side
98,260.16x = 7,570,891,947.01 - Step 5: Solve for x
x = 7,570,891,947.01/98,260.16 - Step 6: Final answer
x = 77,049.46
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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.