Finding the Fourth Proportional to 163,684.99, 245,526.81 and 45,355.99
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Solution
The fourth proportional to 163,684.99, 245,526.81 and 45,355.99 is: 68,033.80
Step by Step Solution
- Step 1: Write the proportion equation
163,684.99 : 245,526.81 = 45,355.99 : x - Step 2: Convert to fraction form
163,684.99/245,526.81 = 45,355.99/x - Step 3: Cross multiply
163,684.99x = 245,526.81 × 45,355.99 - Step 4: Simplify right side
163,684.99x = 11,136,111,539.09 - Step 5: Solve for x
x = 11,136,111,539.09/163,684.99 - Step 6: Final answer
x = 68,033.80
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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.