Finding the Fourth Proportional to 174,747.23, 261,700.44 and 99,639.68
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Solution
The fourth proportional to 174,747.23, 261,700.44 and 99,639.68 is: 149,219.80
Step by Step Solution
- Step 1: Write the proportion equation
174,747.23 : 261,700.44 = 99,639.68 : x - Step 2: Convert to fraction form
174,747.23/261,700.44 = 99,639.68/x - Step 3: Cross multiply
174,747.23x = 261,700.44 × 99,639.68 - Step 4: Simplify right side
174,747.23x = 26,075,746,788.96 - Step 5: Solve for x
x = 26,075,746,788.96/174,747.23 - Step 6: Final answer
x = 149,219.80
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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.