Finding the Fourth Proportional to 202,377.30, 303,565.95 and 143,279.70
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Solution
The fourth proportional to 202,377.30, 303,565.95 and 143,279.70 is: 214,919.55
Step by Step Solution
- Step 1: Write the proportion equation
202,377.30 : 303,565.95 = 143,279.70 : x - Step 2: Convert to fraction form
202,377.30/303,565.95 = 143,279.70/x - Step 3: Cross multiply
202,377.30x = 303,565.95 × 143,279.70 - Step 4: Simplify right side
202,377.30x = 43,494,838,246.22 - Step 5: Solve for x
x = 43,494,838,246.22/202,377.30 - Step 6: Final answer
x = 214,919.55
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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.