Finding the Fourth Proportional to 248,387.68, 372,618.78 and 115,281.64
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Solution
The fourth proportional to 248,387.68, 372,618.78 and 115,281.64 is: 172,939.75
Step by Step Solution
- Step 1: Write the proportion equation
248,387.68 : 372,618.78 = 115,281.64 : x - Step 2: Convert to fraction form
248,387.68/372,618.78 = 115,281.64/x - Step 3: Cross multiply
248,387.68x = 372,618.78 × 115,281.64 - Step 4: Simplify right side
248,387.68x = 42,956,104,053.20 - Step 5: Solve for x
x = 42,956,104,053.20/248,387.68 - Step 6: Final answer
x = 172,939.75
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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.