Finding the Fourth Proportional to 157,912.42, 236,778.58 and 93,897.58
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Solution
The fourth proportional to 157,912.42, 236,778.58 and 93,897.58 is: 140,792.82
Step by Step Solution
- Step 1: Write the proportion equation
157,912.42 : 236,778.58 = 93,897.58 : x - Step 2: Convert to fraction form
157,912.42/236,778.58 = 93,897.58/x - Step 3: Cross multiply
157,912.42x = 236,778.58 × 93,897.58 - Step 4: Simplify right side
157,912.42x = 22,232,934,831.15 - Step 5: Solve for x
x = 22,232,934,831.15/157,912.42 - Step 6: Final answer
x = 140,792.82
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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.