Finding the Fourth Proportional to 211,024.29, 316,539.81 and 68,869.02
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Solution
The fourth proportional to 211,024.29, 316,539.81 and 68,869.02 is: 103,304.63
Step by Step Solution
- Step 1: Write the proportion equation
211,024.29 : 316,539.81 = 68,869.02 : x - Step 2: Convert to fraction form
211,024.29/316,539.81 = 68,869.02/x - Step 3: Cross multiply
211,024.29x = 316,539.81 × 68,869.02 - Step 4: Simplify right side
211,024.29x = 21,799,786,505.69 - Step 5: Solve for x
x = 21,799,786,505.69/211,024.29 - Step 6: Final answer
x = 103,304.63
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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.