Finding the Fourth Proportional to 254,890.67, 381,810.99 and 149,455.40
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Solution
The fourth proportional to 254,890.67, 381,810.99 and 149,455.40 is: 223,875.26
Step by Step Solution
- Step 1: Write the proportion equation
254,890.67 : 381,810.99 = 149,455.40 : x - Step 2: Convert to fraction form
254,890.67/381,810.99 = 149,455.40/x - Step 3: Cross multiply
254,890.67x = 381,810.99 × 149,455.40 - Step 4: Simplify right side
254,890.67x = 57,063,714,234.85 - Step 5: Solve for x
x = 57,063,714,234.85/254,890.67 - Step 6: Final answer
x = 223,875.26
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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.