Finding the Fourth Proportional to 254,407.53, 381,611.25 and 149,169.09
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Solution
The fourth proportional to 254,407.53, 381,611.25 and 149,169.09 is: 223,753.61
Step by Step Solution
- Step 1: Write the proportion equation
254,407.53 : 381,611.25 = 149,169.09 : x - Step 2: Convert to fraction form
254,407.53/381,611.25 = 149,169.09/x - Step 3: Cross multiply
254,407.53x = 381,611.25 × 149,169.09 - Step 4: Simplify right side
254,407.53x = 56,924,602,896.26 - Step 5: Solve for x
x = 56,924,602,896.26/254,407.53 - Step 6: Final answer
x = 223,753.61
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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.