Finding the Fourth Proportional to 399,520.71, 599,567.76 and 271,116.81
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Solution
The fourth proportional to 399,520.71, 599,567.76 and 271,116.81 is: 406,869.77
Step by Step Solution
- Step 1: Write the proportion equation
399,520.71 : 599,567.76 = 271,116.81 : x - Step 2: Convert to fraction form
399,520.71/599,567.76 = 271,116.81/x - Step 3: Cross multiply
399,520.71x = 599,567.76 × 271,116.81 - Step 4: Simplify right side
399,520.71x = 162,552,898,470.05 - Step 5: Solve for x
x = 162,552,898,470.05/399,520.71 - Step 6: Final answer
x = 406,869.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.