Finding the Fourth Proportional to 426,078.12, 588,000.12 and 235,103.82
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Solution
The fourth proportional to 426,078.12, 588,000.12 and 235,103.82 is: 324,450.07
Step by Step Solution
- Step 1: Write the proportion equation
426,078.12 : 588,000.12 = 235,103.82 : x - Step 2: Convert to fraction form
426,078.12/588,000.12 = 235,103.82/x - Step 3: Cross multiply
426,078.12x = 588,000.12 × 235,103.82 - Step 4: Simplify right side
426,078.12x = 138,241,074,372.46 - Step 5: Solve for x
x = 138,241,074,372.46/426,078.12 - Step 6: Final answer
x = 324,450.07
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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.