Finding the Fourth Proportional to 397,776.36, 596,663.82 and 117,490.44
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Solution
The fourth proportional to 397,776.36, 596,663.82 and 117,490.44 is: 176,235.45
Step by Step Solution
- Step 1: Write the proportion equation
397,776.36 : 596,663.82 = 117,490.44 : x - Step 2: Convert to fraction form
397,776.36/596,663.82 = 117,490.44/x - Step 3: Cross multiply
397,776.36x = 596,663.82 × 117,490.44 - Step 4: Simplify right side
397,776.36x = 70,102,294,743.88 - Step 5: Solve for x
x = 70,102,294,743.88/397,776.36 - Step 6: Final answer
x = 176,235.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.