Finding the Fourth Proportional to 548,707.98, 822,894.57 and 193,639.08
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Solution
The fourth proportional to 548,707.98, 822,894.57 and 193,639.08 is: 290,399.54
Step by Step Solution
- Step 1: Write the proportion equation
548,707.98 : 822,894.57 = 193,639.08 : x - Step 2: Convert to fraction form
548,707.98/822,894.57 = 193,639.08/x - Step 3: Cross multiply
548,707.98x = 822,894.57 × 193,639.08 - Step 4: Simplify right side
548,707.98x = 159,344,547,471.80 - Step 5: Solve for x
x = 159,344,547,471.80/548,707.98 - Step 6: Final answer
x = 290,399.54
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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.