Finding the Fourth Proportional to 163,342.95, 244,686.36 and 74,474.21
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Solution
The fourth proportional to 163,342.95, 244,686.36 and 74,474.21 is: 111,561.74
Step by Step Solution
- Step 1: Write the proportion equation
163,342.95 : 244,686.36 = 74,474.21 : x - Step 2: Convert to fraction form
163,342.95/244,686.36 = 74,474.21/x - Step 3: Cross multiply
163,342.95x = 244,686.36 × 74,474.21 - Step 4: Simplify right side
163,342.95x = 18,222,823,358.78 - Step 5: Solve for x
x = 18,222,823,358.78/163,342.95 - Step 6: Final answer
x = 111,561.74
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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.