Finding the Fourth Proportional to 319,968.14, 441,553.40 and 174,774.02
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Solution
The fourth proportional to 319,968.14, 441,553.40 and 174,774.02 is: 241,186.71
Step by Step Solution
- Step 1: Write the proportion equation
319,968.14 : 441,553.40 = 174,774.02 : x - Step 2: Convert to fraction form
319,968.14/441,553.40 = 174,774.02/x - Step 3: Cross multiply
319,968.14x = 441,553.40 × 174,774.02 - Step 4: Simplify right side
319,968.14x = 77,172,062,762.67 - Step 5: Solve for x
x = 77,172,062,762.67/319,968.14 - Step 6: Final answer
x = 241,186.71
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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.