Finding the Fourth Proportional to 150,062.69, 207,093.15 and 86,420.99
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Solution
The fourth proportional to 150,062.69, 207,093.15 and 86,420.99 is: 119,264.79
Step by Step Solution
- Step 1: Write the proportion equation
150,062.69 : 207,093.15 = 86,420.99 : x - Step 2: Convert to fraction form
150,062.69/207,093.15 = 86,420.99/x - Step 3: Cross multiply
150,062.69x = 207,093.15 × 86,420.99 - Step 4: Simplify right side
150,062.69x = 17,897,194,009.75 - Step 5: Solve for x
x = 17,897,194,009.75/150,062.69 - Step 6: Final answer
x = 119,264.79
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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.