Finding the Fourth Proportional to 254,508.29, 381,631.84 and 134,629.94
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Solution
The fourth proportional to 254,508.29, 381,631.84 and 134,629.94 is: 201,875.83
Step by Step Solution
- Step 1: Write the proportion equation
254,508.29 : 381,631.84 = 134,629.94 : x - Step 2: Convert to fraction form
254,508.29/381,631.84 = 134,629.94/x - Step 3: Cross multiply
254,508.29x = 381,631.84 × 134,629.94 - Step 4: Simplify right side
254,508.29x = 51,379,071,075.96 - Step 5: Solve for x
x = 51,379,071,075.96/254,508.29 - Step 6: Final answer
x = 201,875.83
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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.