Finding the Fourth Proportional to 500,763.13, 751,145.63 and 121,684.19
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Solution
The fourth proportional to 500,763.13, 751,145.63 and 121,684.19 is: 182,526.50
Step by Step Solution
- Step 1: Write the proportion equation
500,763.13 : 751,145.63 = 121,684.19 : x - Step 2: Convert to fraction form
500,763.13/751,145.63 = 121,684.19/x - Step 3: Cross multiply
500,763.13x = 751,145.63 × 121,684.19 - Step 4: Simplify right side
500,763.13x = 91,402,543,194.44 - Step 5: Solve for x
x = 91,402,543,194.44/500,763.13 - Step 6: Final answer
x = 182,526.50
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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.