Finding the Fourth Proportional to 128,866.04, 193,252.68 and 44,603.28
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Solution
The fourth proportional to 128,866.04, 193,252.68 and 44,603.28 is: 66,888.87
Step by Step Solution
- Step 1: Write the proportion equation
128,866.04 : 193,252.68 = 44,603.28 : x - Step 2: Convert to fraction form
128,866.04/193,252.68 = 44,603.28/x - Step 3: Cross multiply
128,866.04x = 193,252.68 × 44,603.28 - Step 4: Simplify right side
128,866.04x = 8,619,703,396.79 - Step 5: Solve for x
x = 8,619,703,396.79/128,866.04 - Step 6: Final answer
x = 66,888.87
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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.