Finding the Fourth Proportional to 122,497.44, 169,044.48 and 68,782.56
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Solution
The fourth proportional to 122,497.44, 169,044.48 and 68,782.56 is: 94,918.82
Step by Step Solution
- Step 1: Write the proportion equation
122,497.44 : 169,044.48 = 68,782.56 : x - Step 2: Convert to fraction form
122,497.44/169,044.48 = 68,782.56/x - Step 3: Cross multiply
122,497.44x = 169,044.48 × 68,782.56 - Step 4: Simplify right side
122,497.44x = 11,627,312,088.27 - Step 5: Solve for x
x = 11,627,312,088.27/122,497.44 - Step 6: Final answer
x = 94,918.82
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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.