Finding the Fourth Proportional to 385,252.12, 577,820.94 and 148,565.26
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Solution
The fourth proportional to 385,252.12, 577,820.94 and 148,565.26 is: 222,825.82
Step by Step Solution
- Step 1: Write the proportion equation
385,252.12 : 577,820.94 = 148,565.26 : x - Step 2: Convert to fraction form
385,252.12/577,820.94 = 148,565.26/x - Step 3: Cross multiply
385,252.12x = 577,820.94 × 148,565.26 - Step 4: Simplify right side
385,252.12x = 85,844,118,184.54 - Step 5: Solve for x
x = 85,844,118,184.54/385,252.12 - Step 6: Final answer
x = 222,825.82
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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.