Finding the Fourth Proportional to 99,535.84, 149,230.56 and 46,916.80
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Solution
The fourth proportional to 99,535.84, 149,230.56 and 46,916.80 is: 70,340.70
Step by Step Solution
- Step 1: Write the proportion equation
99,535.84 : 149,230.56 = 46,916.80 : x - Step 2: Convert to fraction form
99,535.84/149,230.56 = 46,916.80/x - Step 3: Cross multiply
99,535.84x = 149,230.56 × 46,916.80 - Step 4: Simplify right side
99,535.84x = 7,001,420,337.41 - Step 5: Solve for x
x = 7,001,420,337.41/99,535.84 - Step 6: Final answer
x = 70,340.70
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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.