Finding the Fourth Proportional to 348,113.80, 522,207.18 and 148,455.28
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Solution
The fourth proportional to 348,113.80, 522,207.18 and 148,455.28 is: 222,698.48
Step by Step Solution
- Step 1: Write the proportion equation
348,113.80 : 522,207.18 = 148,455.28 : x - Step 2: Convert to fraction form
348,113.80/522,207.18 = 148,455.28/x - Step 3: Cross multiply
348,113.80x = 522,207.18 × 148,455.28 - Step 4: Simplify right side
348,113.80x = 77,524,413,124.91 - Step 5: Solve for x
x = 77,524,413,124.91/348,113.80 - Step 6: Final answer
x = 222,698.48
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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.