Finding the Fourth Proportional to 99,427.60, 149,141.70 and 24,547.75
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Solution
The fourth proportional to 99,427.60, 149,141.70 and 24,547.75 is: 36,821.70
Step by Step Solution
- Step 1: Write the proportion equation
99,427.60 : 149,141.70 = 24,547.75 : x - Step 2: Convert to fraction form
99,427.60/149,141.70 = 24,547.75/x - Step 3: Cross multiply
99,427.60x = 149,141.70 × 24,547.75 - Step 4: Simplify right side
99,427.60x = 3,661,092,793.32 - Step 5: Solve for x
x = 3,661,092,793.32/99,427.60 - Step 6: Final answer
x = 36,821.70
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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.