Finding the Fourth Proportional to 396,220.68, 594,478.98 and 159,630.48
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Solution
The fourth proportional to 396,220.68, 594,478.98 and 159,630.48 is: 239,505.33
Step by Step Solution
- Step 1: Write the proportion equation
396,220.68 : 594,478.98 = 159,630.48 : x - Step 2: Convert to fraction form
396,220.68/594,478.98 = 159,630.48/x - Step 3: Cross multiply
396,220.68x = 594,478.98 × 159,630.48 - Step 4: Simplify right side
396,220.68x = 94,896,964,927.31 - Step 5: Solve for x
x = 94,896,964,927.31/396,220.68 - Step 6: Final answer
x = 239,505.33
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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.