Finding the Fourth Proportional to 284,754.93, 392,848.79 and 163,831.14
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Solution
The fourth proportional to 284,754.93, 392,848.79 and 163,831.14 is: 226,021.95
Step by Step Solution
- Step 1: Write the proportion equation
284,754.93 : 392,848.79 = 163,831.14 : x - Step 2: Convert to fraction form
284,754.93/392,848.79 = 163,831.14/x - Step 3: Cross multiply
284,754.93x = 392,848.79 × 163,831.14 - Step 4: Simplify right side
284,754.93x = 64,360,864,294.16 - Step 5: Solve for x
x = 64,360,864,294.16/284,754.93 - Step 6: Final answer
x = 226,021.95
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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.