Finding the Fourth Proportional to 320,045.98, 441,625.80 and 176,797.48
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Solution
The fourth proportional to 320,045.98, 441,625.80 and 176,797.48 is: 243,959.72
Step by Step Solution
- Step 1: Write the proportion equation
320,045.98 : 441,625.80 = 176,797.48 : x - Step 2: Convert to fraction form
320,045.98/441,625.80 = 176,797.48/x - Step 3: Cross multiply
320,045.98x = 441,625.80 × 176,797.48 - Step 4: Simplify right side
320,045.98x = 78,078,329,205.05 - Step 5: Solve for x
x = 78,078,329,205.05/320,045.98 - Step 6: Final answer
x = 243,959.72
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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.