Finding the Fourth Proportional to 264,886.08, 397,395.36 and 87,403.20
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Solution
The fourth proportional to 264,886.08, 397,395.36 and 87,403.20 is: 131,126.66
Step by Step Solution
- Step 1: Write the proportion equation
264,886.08 : 397,395.36 = 87,403.20 : x - Step 2: Convert to fraction form
264,886.08/397,395.36 = 87,403.20/x - Step 3: Cross multiply
264,886.08x = 397,395.36 × 87,403.20 - Step 4: Simplify right side
264,886.08x = 34,733,626,129.15 - Step 5: Solve for x
x = 34,733,626,129.15/264,886.08 - Step 6: Final answer
x = 131,126.66
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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.