Finding the Fourth Proportional to 443,435.23, 611,940.44 and 239,486.19
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Solution
The fourth proportional to 443,435.23, 611,940.44 and 239,486.19 is: 330,490.85
Step by Step Solution
- Step 1: Write the proportion equation
443,435.23 : 611,940.44 = 239,486.19 : x - Step 2: Convert to fraction form
443,435.23/611,940.44 = 239,486.19/x - Step 3: Cross multiply
443,435.23x = 611,940.44 × 239,486.19 - Step 4: Simplify right side
443,435.23x = 146,551,285,081.24 - Step 5: Solve for x
x = 146,551,285,081.24/443,435.23 - Step 6: Final answer
x = 330,490.85
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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.