Finding the Fourth Proportional to 292,659.75, 438,979.84 and 124,071.62
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Solution
The fourth proportional to 292,659.75, 438,979.84 and 124,071.62 is: 186,103.27
Step by Step Solution
- Step 1: Write the proportion equation
292,659.75 : 438,979.84 = 124,071.62 : x - Step 2: Convert to fraction form
292,659.75/438,979.84 = 124,071.62/x - Step 3: Cross multiply
292,659.75x = 438,979.84 × 124,071.62 - Step 4: Simplify right side
292,659.75x = 54,464,937,391.06 - Step 5: Solve for x
x = 54,464,937,391.06/292,659.75 - Step 6: Final answer
x = 186,103.27
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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.