Finding the Fourth Proportional to 235,484.04, 352,453.86 and 128,704.44
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Solution
The fourth proportional to 235,484.04, 352,453.86 and 128,704.44 is: 192,634.61
Step by Step Solution
- Step 1: Write the proportion equation
235,484.04 : 352,453.86 = 128,704.44 : x - Step 2: Convert to fraction form
235,484.04/352,453.86 = 128,704.44/x - Step 3: Cross multiply
235,484.04x = 352,453.86 × 128,704.44 - Step 4: Simplify right side
235,484.04x = 45,362,376,677.14 - Step 5: Solve for x
x = 45,362,376,677.14/235,484.04 - Step 6: Final answer
x = 192,634.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.