Finding the Fourth Proportional to 192,368.12, 288,461.36 and 112,429.02
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Solution
The fourth proportional to 192,368.12, 288,461.36 and 112,429.02 is: 168,590.45
Step by Step Solution
- Step 1: Write the proportion equation
192,368.12 : 288,461.36 = 112,429.02 : x - Step 2: Convert to fraction form
192,368.12/288,461.36 = 112,429.02/x - Step 3: Cross multiply
192,368.12x = 288,461.36 × 112,429.02 - Step 4: Simplify right side
192,368.12x = 32,431,428,012.67 - Step 5: Solve for x
x = 32,431,428,012.67/192,368.12 - Step 6: Final answer
x = 168,590.45
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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.