Finding the Fourth Proportional to 381,722.67, 572,496.53 and 171,420.75
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Solution
The fourth proportional to 381,722.67, 572,496.53 and 171,420.75 is: 257,091.84
Step by Step Solution
- Step 1: Write the proportion equation
381,722.67 : 572,496.53 = 171,420.75 : x - Step 2: Convert to fraction form
381,722.67/572,496.53 = 171,420.75/x - Step 3: Cross multiply
381,722.67x = 572,496.53 × 171,420.75 - Step 4: Simplify right side
381,722.67x = 98,137,783,687.89 - Step 5: Solve for x
x = 98,137,783,687.89/381,722.67 - Step 6: Final answer
x = 257,091.84
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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.