Finding the Fourth Proportional to 283,467.70, 424,618.35 and 143,305.30
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Solution
The fourth proportional to 283,467.70, 424,618.35 and 143,305.30 is: 214,663.12
Step by Step Solution
- Step 1: Write the proportion equation
283,467.70 : 424,618.35 = 143,305.30 : x - Step 2: Convert to fraction form
283,467.70/424,618.35 = 143,305.30/x - Step 3: Cross multiply
283,467.70x = 424,618.35 × 143,305.30 - Step 4: Simplify right side
283,467.70x = 60,850,060,032.26 - Step 5: Solve for x
x = 60,850,060,032.26/283,467.70 - Step 6: Final answer
x = 214,663.12
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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.