Finding the Fourth Proportional to 283,909.36, 426,159.42 and 209,113.96
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Solution
The fourth proportional to 283,909.36, 426,159.42 and 209,113.96 is: 313,888.50
Step by Step Solution
- Step 1: Write the proportion equation
283,909.36 : 426,159.42 = 209,113.96 : x - Step 2: Convert to fraction form
283,909.36/426,159.42 = 209,113.96/x - Step 3: Cross multiply
283,909.36x = 426,159.42 × 209,113.96 - Step 4: Simplify right side
283,909.36x = 89,115,883,907.50 - Step 5: Solve for x
x = 89,115,883,907.50/283,909.36 - Step 6: Final answer
x = 313,888.50
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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.