Finding the Fourth Proportional to 202,319.70, 303,479.55 and 52,547.70
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Solution
The fourth proportional to 202,319.70, 303,479.55 and 52,547.70 is: 78,821.55
Step by Step Solution
- Step 1: Write the proportion equation
202,319.70 : 303,479.55 = 52,547.70 : x - Step 2: Convert to fraction form
202,319.70/303,479.55 = 52,547.70/x - Step 3: Cross multiply
202,319.70x = 303,479.55 × 52,547.70 - Step 4: Simplify right side
202,319.70x = 15,947,152,349.54 - Step 5: Solve for x
x = 15,947,152,349.54/202,319.70 - Step 6: Final answer
x = 78,821.55
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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.