Finding the Fourth Proportional to 159,628.19, 239,598.11 and 131,831.42
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Solution
The fourth proportional to 159,628.19, 239,598.11 and 131,831.42 is: 197,875.82
Step by Step Solution
- Step 1: Write the proportion equation
159,628.19 : 239,598.11 = 131,831.42 : x - Step 2: Convert to fraction form
159,628.19/239,598.11 = 131,831.42/x - Step 3: Cross multiply
159,628.19x = 239,598.11 × 131,831.42 - Step 4: Simplify right side
159,628.19x = 31,586,557,213.47 - Step 5: Solve for x
x = 31,586,557,213.47/159,628.19 - Step 6: Final answer
x = 197,875.82
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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.