Finding the Fourth Proportional to 254,457.18, 381,759.63 and 102,575.87
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Solution
The fourth proportional to 254,457.18, 381,759.63 and 102,575.87 is: 153,893.58
Step by Step Solution
- Step 1: Write the proportion equation
254,457.18 : 381,759.63 = 102,575.87 : x - Step 2: Convert to fraction form
254,457.18/381,759.63 = 102,575.87/x - Step 3: Cross multiply
254,457.18x = 381,759.63 × 102,575.87 - Step 4: Simplify right side
254,457.18x = 39,159,325,108.05 - Step 5: Solve for x
x = 39,159,325,108.05/254,457.18 - Step 6: Final answer
x = 153,893.58
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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.