Finding the Fourth Proportional to 114,215.63, 157,689.05 and 73,396.31
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Solution
The fourth proportional to 114,215.63, 157,689.05 and 73,396.31 is: 101,332.84
Step by Step Solution
- Step 1: Write the proportion equation
114,215.63 : 157,689.05 = 73,396.31 : x - Step 2: Convert to fraction form
114,215.63/157,689.05 = 73,396.31/x - Step 3: Cross multiply
114,215.63x = 157,689.05 × 73,396.31 - Step 4: Simplify right side
114,215.63x = 11,573,793,241.98 - Step 5: Solve for x
x = 11,573,793,241.98/114,215.63 - Step 6: Final answer
x = 101,332.84
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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.