Finding the Fourth Proportional to 117,536.80, 176,331.12 and 38,647.84
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Solution
The fourth proportional to 117,536.80, 176,331.12 and 38,647.84 is: 57,980.28
Step by Step Solution
- Step 1: Write the proportion equation
117,536.80 : 176,331.12 = 38,647.84 : x - Step 2: Convert to fraction form
117,536.80/176,331.12 = 38,647.84/x - Step 3: Cross multiply
117,536.80x = 176,331.12 × 38,647.84 - Step 4: Simplify right side
117,536.80x = 6,814,816,912.78 - Step 5: Solve for x
x = 6,814,816,912.78/117,536.80 - Step 6: Final answer
x = 57,980.28
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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.