Finding the Fourth Proportional to 491,898.81, 737,848.22 and 136,922.08
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Solution
The fourth proportional to 491,898.81, 737,848.22 and 136,922.08 is: 205,383.12
Step by Step Solution
- Step 1: Write the proportion equation
491,898.81 : 737,848.22 = 136,922.08 : x - Step 2: Convert to fraction form
491,898.81/737,848.22 = 136,922.08/x - Step 3: Cross multiply
491,898.81x = 737,848.22 × 136,922.08 - Step 4: Simplify right side
491,898.81x = 101,027,713,006.70 - Step 5: Solve for x
x = 101,027,713,006.70/491,898.81 - Step 6: Final answer
x = 205,383.12
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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.