Finding the Fourth Proportional to 418,096.55, 577,212.62 and 275,271.75
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Solution
The fourth proportional to 418,096.55, 577,212.62 and 275,271.75 is: 380,032.62
Step by Step Solution
- Step 1: Write the proportion equation
418,096.55 : 577,212.62 = 275,271.75 : x - Step 2: Convert to fraction form
418,096.55/577,212.62 = 275,271.75/x - Step 3: Cross multiply
418,096.55x = 577,212.62 × 275,271.75 - Step 4: Simplify right side
418,096.55x = 158,890,326,653.13 - Step 5: Solve for x
x = 158,890,326,653.13/418,096.55 - Step 6: Final answer
x = 380,032.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.