Finding the Fourth Proportional to 190,337.68, 285,195.04 and 115,230.18
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Solution
The fourth proportional to 190,337.68, 285,195.04 and 115,230.18 is: 172,656.70
Step by Step Solution
- Step 1: Write the proportion equation
190,337.68 : 285,195.04 = 115,230.18 : x - Step 2: Convert to fraction form
190,337.68/285,195.04 = 115,230.18/x - Step 3: Cross multiply
190,337.68x = 285,195.04 × 115,230.18 - Step 4: Simplify right side
190,337.68x = 32,863,075,794.31 - Step 5: Solve for x
x = 32,863,075,794.31/190,337.68 - Step 6: Final answer
x = 172,656.70
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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.