Finding the Fourth Proportional to 220,208.99, 330,304.37 and 70,457.81
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Solution
The fourth proportional to 220,208.99, 330,304.37 and 70,457.81 is: 105,683.79
Step by Step Solution
- Step 1: Write the proportion equation
220,208.99 : 330,304.37 = 70,457.81 : x - Step 2: Convert to fraction form
220,208.99/330,304.37 = 70,457.81/x - Step 3: Cross multiply
220,208.99x = 330,304.37 × 70,457.81 - Step 4: Simplify right side
220,208.99x = 23,272,520,539.82 - Step 5: Solve for x
x = 23,272,520,539.82/220,208.99 - Step 6: Final answer
x = 105,683.79
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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.