Finding the Fourth Proportional to 381,972.24, 572,761.26 and 171,430.02
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Solution
The fourth proportional to 381,972.24, 572,761.26 and 171,430.02 is: 257,056.57
Step by Step Solution
- Step 1: Write the proportion equation
381,972.24 : 572,761.26 = 171,430.02 : x - Step 2: Convert to fraction form
381,972.24/572,761.26 = 171,430.02/x - Step 3: Cross multiply
381,972.24x = 572,761.26 × 171,430.02 - Step 4: Simplify right side
381,972.24x = 98,188,474,257.03 - Step 5: Solve for x
x = 98,188,474,257.03/381,972.24 - Step 6: Final answer
x = 257,056.57
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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.