Finding the Fourth Proportional to 348,479.34, 522,578.30 and 135,134.92
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Solution
The fourth proportional to 348,479.34, 522,578.30 and 135,134.92 is: 202,647.81
Step by Step Solution
- Step 1: Write the proportion equation
348,479.34 : 522,578.30 = 135,134.92 : x - Step 2: Convert to fraction form
348,479.34/522,578.30 = 135,134.92/x - Step 3: Cross multiply
348,479.34x = 522,578.30 × 135,134.92 - Step 4: Simplify right side
348,479.34x = 70,618,576,764.24 - Step 5: Solve for x
x = 70,618,576,764.24/348,479.34 - Step 6: Final answer
x = 202,647.81
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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.