Finding the Fourth Proportional to 353,615.48, 487,989.28 and 192,471.63
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Solution
The fourth proportional to 353,615.48, 487,989.28 and 192,471.63 is: 265,610.80
Step by Step Solution
- Step 1: Write the proportion equation
353,615.48 : 487,989.28 = 192,471.63 : x - Step 2: Convert to fraction form
353,615.48/487,989.28 = 192,471.63/x - Step 3: Cross multiply
353,615.48x = 487,989.28 × 192,471.63 - Step 4: Simplify right side
353,615.48x = 93,924,088,741.82 - Step 5: Solve for x
x = 93,924,088,741.82/353,615.48 - Step 6: Final answer
x = 265,610.80
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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.