Finding the Fourth Proportional to 319,569.99, 441,004.82 and 174,375.74
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Solution
The fourth proportional to 319,569.99, 441,004.82 and 174,375.74 is: 240,637.55
Step by Step Solution
- Step 1: Write the proportion equation
319,569.99 : 441,004.82 = 174,375.74 : x - Step 2: Convert to fraction form
319,569.99/441,004.82 = 174,375.74/x - Step 3: Cross multiply
319,569.99x = 441,004.82 × 174,375.74 - Step 4: Simplify right side
319,569.99x = 76,900,538,754.16 - Step 5: Solve for x
x = 76,900,538,754.16/319,569.99 - Step 6: Final answer
x = 240,637.55
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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.