Finding the Fourth Proportional to 129,264.40, 193,831.80 and 59,064.40
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Solution
The fourth proportional to 129,264.40, 193,831.80 and 59,064.40 is: 88,566.99
Step by Step Solution
- Step 1: Write the proportion equation
129,264.40 : 193,831.80 = 59,064.40 : x - Step 2: Convert to fraction form
129,264.40/193,831.80 = 59,064.40/x - Step 3: Cross multiply
129,264.40x = 193,831.80 × 59,064.40 - Step 4: Simplify right side
129,264.40x = 11,448,558,967.92 - Step 5: Solve for x
x = 11,448,558,967.92/129,264.40 - Step 6: Final answer
x = 88,566.99
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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.