Finding the Fourth Proportional to 330,831.99, 456,548.13 and 187,592.00
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Solution
The fourth proportional to 330,831.99, 456,548.13 and 187,592.00 is: 258,876.94
Step by Step Solution
- Step 1: Write the proportion equation
330,831.99 : 456,548.13 = 187,592.00 : x - Step 2: Convert to fraction form
330,831.99/456,548.13 = 187,592.00/x - Step 3: Cross multiply
330,831.99x = 456,548.13 × 187,592.00 - Step 4: Simplify right side
330,831.99x = 85,644,774,520.22 - Step 5: Solve for x
x = 85,644,774,520.22/330,831.99 - Step 6: Final answer
x = 258,876.94
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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.