Finding the Fourth Proportional to 317,897.18, 438,675.99 and 174,663.26
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Solution
The fourth proportional to 317,897.18, 438,675.99 and 174,663.26 is: 241,023.15
Step by Step Solution
- Step 1: Write the proportion equation
317,897.18 : 438,675.99 = 174,663.26 : x - Step 2: Convert to fraction form
317,897.18/438,675.99 = 174,663.26/x - Step 3: Cross multiply
317,897.18x = 438,675.99 × 174,663.26 - Step 4: Simplify right side
317,897.18x = 76,620,578,497.13 - Step 5: Solve for x
x = 76,620,578,497.13/317,897.18 - Step 6: Final answer
x = 241,023.15
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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.