Finding the Fourth Proportional to 103,575.68, 155,029.28 and 53,586.96
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Solution
The fourth proportional to 103,575.68, 155,029.28 and 53,586.96 is: 80,207.51
Step by Step Solution
- Step 1: Write the proportion equation
103,575.68 : 155,029.28 = 53,586.96 : x - Step 2: Convert to fraction form
103,575.68/155,029.28 = 53,586.96/x - Step 3: Cross multiply
103,575.68x = 155,029.28 × 53,586.96 - Step 4: Simplify right side
103,575.68x = 8,307,547,826.19 - Step 5: Solve for x
x = 8,307,547,826.19/103,575.68 - Step 6: Final answer
x = 80,207.51
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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.