Finding the Fourth Proportional to 249,173.70, 343,892.57 and 141,722.99
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Solution
The fourth proportional to 249,173.70, 343,892.57 and 141,722.99 is: 195,596.41
Step by Step Solution
- Step 1: Write the proportion equation
249,173.70 : 343,892.57 = 141,722.99 : x - Step 2: Convert to fraction form
249,173.70/343,892.57 = 141,722.99/x - Step 3: Cross multiply
249,173.70x = 343,892.57 × 141,722.99 - Step 4: Simplify right side
249,173.70x = 48,737,480,831.11 - Step 5: Solve for x
x = 48,737,480,831.11/249,173.70 - Step 6: Final answer
x = 195,596.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.