Finding the Fourth Proportional to 158,176.70, 218,283.84 and 86,556.73
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Solution
The fourth proportional to 158,176.70, 218,283.84 and 86,556.73 is: 119,448.28
Step by Step Solution
- Step 1: Write the proportion equation
158,176.70 : 218,283.84 = 86,556.73 : x - Step 2: Convert to fraction form
158,176.70/218,283.84 = 86,556.73/x - Step 3: Cross multiply
158,176.70x = 218,283.84 × 86,556.73 - Step 4: Simplify right side
158,176.70x = 18,893,935,402.24 - Step 5: Solve for x
x = 18,893,935,402.24/158,176.70 - Step 6: Final answer
x = 119,448.28
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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.