Finding the Fourth Proportional to 264,656.64, 397,039.68 and 87,174.48
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Solution
The fourth proportional to 264,656.64, 397,039.68 and 87,174.48 is: 130,779.74
Step by Step Solution
- Step 1: Write the proportion equation
264,656.64 : 397,039.68 = 87,174.48 : x - Step 2: Convert to fraction form
264,656.64/397,039.68 = 87,174.48/x - Step 3: Cross multiply
264,656.64x = 397,039.68 × 87,174.48 - Step 4: Simplify right side
264,656.64x = 34,611,727,643.37 - Step 5: Solve for x
x = 34,611,727,643.37/264,656.64 - Step 6: Final answer
x = 130,779.74
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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.