Finding the Fourth Proportional to 183,831.55, 253,648.19 and 107,315.92
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Solution
The fourth proportional to 183,831.55, 253,648.19 and 107,315.92 is: 148,072.99
Step by Step Solution
- Step 1: Write the proportion equation
183,831.55 : 253,648.19 = 107,315.92 : x - Step 2: Convert to fraction form
183,831.55/253,648.19 = 107,315.92/x - Step 3: Cross multiply
183,831.55x = 253,648.19 × 107,315.92 - Step 4: Simplify right side
183,831.55x = 27,220,487,695.48 - Step 5: Solve for x
x = 27,220,487,695.48/183,831.55 - Step 6: Final answer
x = 148,072.99
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1.5x scale
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.