Finding the Fourth Proportional to 474,271.71, 711,408.78 and 193,788.96
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Solution
The fourth proportional to 474,271.71, 711,408.78 and 193,788.96 is: 290,683.94
Step by Step Solution
- Step 1: Write the proportion equation
474,271.71 : 711,408.78 = 193,788.96 : x - Step 2: Convert to fraction form
474,271.71/711,408.78 = 193,788.96/x - Step 3: Cross multiply
474,271.71x = 711,408.78 × 193,788.96 - Step 4: Simplify right side
474,271.71x = 137,863,167,611.07 - Step 5: Solve for x
x = 137,863,167,611.07/474,271.71 - Step 6: Final answer
x = 290,683.94
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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.