Finding the Fourth Proportional to 199,465.20, 299,197.80 and 173,221.20
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Solution
The fourth proportional to 199,465.20, 299,197.80 and 173,221.20 is: 259,831.80
Step by Step Solution
- Step 1: Write the proportion equation
199,465.20 : 299,197.80 = 173,221.20 : x - Step 2: Convert to fraction form
199,465.20/299,197.80 = 173,221.20/x - Step 3: Cross multiply
199,465.20x = 299,197.80 × 173,221.20 - Step 4: Simplify right side
199,465.20x = 51,827,401,953.36 - Step 5: Solve for x
x = 51,827,401,953.36/199,465.20 - Step 6: Final answer
x = 259,831.80
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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.