Finding the Fourth Proportional to 330,044.27, 455,462.57 and 186,831.99
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Solution
The fourth proportional to 330,044.27, 455,462.57 and 186,831.99 is: 257,828.99
Step by Step Solution
- Step 1: Write the proportion equation
330,044.27 : 455,462.57 = 186,831.99 : x - Step 2: Convert to fraction form
330,044.27/455,462.57 = 186,831.99/x - Step 3: Cross multiply
330,044.27x = 455,462.57 × 186,831.99 - Step 4: Simplify right side
330,044.27x = 85,094,979,546.22 - Step 5: Solve for x
x = 85,094,979,546.22/330,044.27 - Step 6: Final answer
x = 257,828.99
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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.