Finding the Fourth Proportional to 418,635.57, 577,765.80 and 234,924.75
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Solution
The fourth proportional to 418,635.57, 577,765.80 and 234,924.75 is: 324,223.49
Step by Step Solution
- Step 1: Write the proportion equation
418,635.57 : 577,765.80 = 234,924.75 : x - Step 2: Convert to fraction form
418,635.57/577,765.80 = 234,924.75/x - Step 3: Cross multiply
418,635.57x = 577,765.80 × 234,924.75 - Step 4: Simplify right side
418,635.57x = 135,731,486,123.55 - Step 5: Solve for x
x = 135,731,486,123.55/418,635.57 - Step 6: Final answer
x = 324,223.49
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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.