Finding the Fourth Proportional to 368,159.25, 552,245.70 and 115,434.09
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Solution
The fourth proportional to 368,159.25, 552,245.70 and 115,434.09 is: 173,153.27
Step by Step Solution
- Step 1: Write the proportion equation
368,159.25 : 552,245.70 = 115,434.09 : x - Step 2: Convert to fraction form
368,159.25/552,245.70 = 115,434.09/x - Step 3: Cross multiply
368,159.25x = 552,245.70 × 115,434.09 - Step 4: Simplify right side
368,159.25x = 63,747,979,835.91 - Step 5: Solve for x
x = 63,747,979,835.91/368,159.25 - Step 6: Final answer
x = 173,153.27
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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.