Finding the Fourth Proportional to 443,637.44, 612,219.92 and 239,688.30
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Solution
The fourth proportional to 443,637.44, 612,219.92 and 239,688.30 is: 330,769.99
Step by Step Solution
- Step 1: Write the proportion equation
443,637.44 : 612,219.92 = 239,688.30 : x - Step 2: Convert to fraction form
443,637.44/612,219.92 = 239,688.30/x - Step 3: Cross multiply
443,637.44x = 612,219.92 × 239,688.30 - Step 4: Simplify right side
443,637.44x = 146,741,950,852.83 - Step 5: Solve for x
x = 146,741,950,852.83/443,637.44 - Step 6: Final answer
x = 330,769.99
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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.