Finding the Fourth Proportional to 159,363.16, 220,070.46 and 99,850.84
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Solution
The fourth proportional to 159,363.16, 220,070.46 and 99,850.84 is: 137,887.70
Step by Step Solution
- Step 1: Write the proportion equation
159,363.16 : 220,070.46 = 99,850.84 : x - Step 2: Convert to fraction form
159,363.16/220,070.46 = 99,850.84/x - Step 3: Cross multiply
159,363.16x = 220,070.46 × 99,850.84 - Step 4: Simplify right side
159,363.16x = 21,974,220,290.19 - Step 5: Solve for x
x = 21,974,220,290.19/159,363.16 - Step 6: Final answer
x = 137,887.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.