Finding the Fourth Proportional to 149,275.41, 223,979.03 and 115,831.99
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Solution
The fourth proportional to 149,275.41, 223,979.03 and 115,831.99 is: 173,799.14
Step by Step Solution
- Step 1: Write the proportion equation
149,275.41 : 223,979.03 = 115,831.99 : x - Step 2: Convert to fraction form
149,275.41/223,979.03 = 115,831.99/x - Step 3: Cross multiply
149,275.41x = 223,979.03 × 115,831.99 - Step 4: Simplify right side
149,275.41x = 25,943,938,137.92 - Step 5: Solve for x
x = 25,943,938,137.92/149,275.41 - Step 6: Final answer
x = 173,799.14
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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.