Finding the Fourth Proportional to 179,140.75, 247,220.18 and 98,574.19
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Solution
The fourth proportional to 179,140.75, 247,220.18 and 98,574.19 is: 136,035.65
Step by Step Solution
- Step 1: Write the proportion equation
179,140.75 : 247,220.18 = 98,574.19 : x - Step 2: Convert to fraction form
179,140.75/247,220.18 = 98,574.19/x - Step 3: Cross multiply
179,140.75x = 247,220.18 × 98,574.19 - Step 4: Simplify right side
179,140.75x = 24,369,528,995.15 - Step 5: Solve for x
x = 24,369,528,995.15/179,140.75 - Step 6: Final answer
x = 136,035.65
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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.