Finding the Fourth Proportional to 265,963.60, 366,979.56 and 158,543.68
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Solution
The fourth proportional to 265,963.60, 366,979.56 and 158,543.68 is: 218,760.35
Step by Step Solution
- Step 1: Write the proportion equation
265,963.60 : 366,979.56 = 158,543.68 : x - Step 2: Convert to fraction form
265,963.60/366,979.56 = 158,543.68/x - Step 3: Cross multiply
265,963.60x = 366,979.56 × 158,543.68 - Step 4: Simplify right side
265,963.60x = 58,182,289,927.18 - Step 5: Solve for x
x = 58,182,289,927.18/265,963.60 - Step 6: Final answer
x = 218,760.35
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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.