Finding the Fourth Proportional to 239,831.13, 330,964.98 and 132,398.88
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Solution
The fourth proportional to 239,831.13, 330,964.98 and 132,398.88 is: 182,709.36
Step by Step Solution
- Step 1: Write the proportion equation
239,831.13 : 330,964.98 = 132,398.88 : x - Step 2: Convert to fraction form
239,831.13/330,964.98 = 132,398.88/x - Step 3: Cross multiply
239,831.13x = 330,964.98 × 132,398.88 - Step 4: Simplify right side
239,831.13x = 43,819,392,671.22 - Step 5: Solve for x
x = 43,819,392,671.22/239,831.13 - Step 6: Final answer
x = 182,709.36
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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.