Finding the Fourth Proportional to 408,029.80, 612,044.70 and 314,717.80
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Solution
The fourth proportional to 408,029.80, 612,044.70 and 314,717.80 is: 472,076.70
Step by Step Solution
- Step 1: Write the proportion equation
408,029.80 : 612,044.70 = 314,717.80 : x - Step 2: Convert to fraction form
408,029.80/612,044.70 = 314,717.80/x - Step 3: Cross multiply
408,029.80x = 612,044.70 × 314,717.80 - Step 4: Simplify right side
408,029.80x = 192,621,361,485.66 - Step 5: Solve for x
x = 192,621,361,485.66/408,029.80 - Step 6: Final answer
x = 472,076.70
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1.5x scale
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.