Finding the Fourth Proportional to 192,072.68, 288,109.02 and 51,831.08
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Solution
The fourth proportional to 192,072.68, 288,109.02 and 51,831.08 is: 77,746.61
Step by Step Solution
- Step 1: Write the proportion equation
192,072.68 : 288,109.02 = 51,831.08 : x - Step 2: Convert to fraction form
192,072.68/288,109.02 = 51,831.08/x - Step 3: Cross multiply
192,072.68x = 288,109.02 × 51,831.08 - Step 4: Simplify right side
192,072.68x = 14,933,000,223.80 - Step 5: Solve for x
x = 14,933,000,223.80/192,072.68 - Step 6: Final answer
x = 77,746.61
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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.