Finding the Fourth Proportional to 202,893.20, 304,339.80 and 53,133.20
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Solution
The fourth proportional to 202,893.20, 304,339.80 and 53,133.20 is: 79,699.80
Step by Step Solution
- Step 1: Write the proportion equation
202,893.20 : 304,339.80 = 53,133.20 : x - Step 2: Convert to fraction form
202,893.20/304,339.80 = 53,133.20/x - Step 3: Cross multiply
202,893.20x = 304,339.80 × 53,133.20 - Step 4: Simplify right side
202,893.20x = 16,170,547,461.36 - Step 5: Solve for x
x = 16,170,547,461.36/202,893.20 - Step 6: Final answer
x = 79,699.80
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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.