Finding the Fourth Proportional to 265,858.21, 366,818.70 and 156,965.09
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Solution
The fourth proportional to 265,858.21, 366,818.70 and 156,965.09 is: 216,573.08
Step by Step Solution
- Step 1: Write the proportion equation
265,858.21 : 366,818.70 = 156,965.09 : x - Step 2: Convert to fraction form
265,858.21/366,818.70 = 156,965.09/x - Step 3: Cross multiply
265,858.21x = 366,818.70 × 156,965.09 - Step 4: Simplify right side
265,858.21x = 57,577,730,259.18 - Step 5: Solve for x
x = 57,577,730,259.18/265,858.21 - Step 6: Final answer
x = 216,573.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.