Finding the Fourth Proportional to 457,110.54, 686,108.07 and 220,619.70
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Solution
The fourth proportional to 457,110.54, 686,108.07 and 220,619.70 is: 331,143.00
Step by Step Solution
- Step 1: Write the proportion equation
457,110.54 : 686,108.07 = 220,619.70 : x - Step 2: Convert to fraction form
457,110.54/686,108.07 = 220,619.70/x - Step 3: Cross multiply
457,110.54x = 686,108.07 × 220,619.70 - Step 4: Simplify right side
457,110.54x = 151,368,956,570.98 - Step 5: Solve for x
x = 151,368,956,570.98/457,110.54 - Step 6: Final answer
x = 331,143.00
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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.