Finding the Fourth Proportional to 190,802.20, 286,251.62 and 134,751.80
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Solution
The fourth proportional to 190,802.20, 286,251.62 and 134,751.80 is: 202,161.83
Step by Step Solution
- Step 1: Write the proportion equation
190,802.20 : 286,251.62 = 134,751.80 : x - Step 2: Convert to fraction form
190,802.20/286,251.62 = 134,751.80/x - Step 3: Cross multiply
190,802.20x = 286,251.62 × 134,751.80 - Step 4: Simplify right side
190,802.20x = 38,572,921,047.92 - Step 5: Solve for x
x = 38,572,921,047.92/190,802.20 - Step 6: Final answer
x = 202,161.83
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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.