Finding the Fourth Proportional to 539,743.30, 809,614.95 and 165,717.70
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Solution
The fourth proportional to 539,743.30, 809,614.95 and 165,717.70 is: 248,576.55
Step by Step Solution
- Step 1: Write the proportion equation
539,743.30 : 809,614.95 = 165,717.70 : x - Step 2: Convert to fraction form
539,743.30/809,614.95 = 165,717.70/x - Step 3: Cross multiply
539,743.30x = 809,614.95 × 165,717.70 - Step 4: Simplify right side
539,743.30x = 134,167,527,399.62 - Step 5: Solve for x
x = 134,167,527,399.62/539,743.30 - Step 6: Final answer
x = 248,576.55
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1.5x scale
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.