Finding the Fourth Proportional to 415,454.00, 623,286.18 and 115,934.54
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Solution
The fourth proportional to 415,454.00, 623,286.18 and 115,934.54 is: 173,931.16
Step by Step Solution
- Step 1: Write the proportion equation
415,454.00 : 623,286.18 = 115,934.54 : x - Step 2: Convert to fraction form
415,454.00/623,286.18 = 115,934.54/x - Step 3: Cross multiply
415,454.00x = 623,286.18 × 115,934.54 - Step 4: Simplify right side
415,454.00x = 72,260,393,450.23 - Step 5: Solve for x
x = 72,260,393,450.23/415,454.00 - Step 6: Final answer
x = 173,931.16
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.