Finding the Fourth Proportional to 295,319.70, 442,979.55 and 202,007.70
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Solution
The fourth proportional to 295,319.70, 442,979.55 and 202,007.70 is: 303,011.55
Step by Step Solution
- Step 1: Write the proportion equation
295,319.70 : 442,979.55 = 202,007.70 : x - Step 2: Convert to fraction form
295,319.70/442,979.55 = 202,007.70/x - Step 3: Cross multiply
295,319.70x = 442,979.55 × 202,007.70 - Step 4: Simplify right side
295,319.70x = 89,485,280,042.54 - Step 5: Solve for x
x = 89,485,280,042.54/295,319.70 - Step 6: Final answer
x = 303,011.55
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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.