Finding the Fourth Proportional to 319,794.21, 441,316.67 and 176,554.53
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Solution
The fourth proportional to 319,794.21, 441,316.67 and 176,554.53 is: 243,645.61
Step by Step Solution
- Step 1: Write the proportion equation
319,794.21 : 441,316.67 = 176,554.53 : x - Step 2: Convert to fraction form
319,794.21/441,316.67 = 176,554.53/x - Step 3: Cross multiply
319,794.21x = 441,316.67 × 176,554.53 - Step 4: Simplify right side
319,794.21x = 77,916,456,370.24 - Step 5: Solve for x
x = 77,916,456,370.24/319,794.21 - Step 6: Final answer
x = 243,645.61
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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.