Finding the Fourth Proportional to 163,605.24, 245,539.10 and 84,742.02
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Solution
The fourth proportional to 163,605.24, 245,539.10 and 84,742.02 is: 127,181.01
Step by Step Solution
- Step 1: Write the proportion equation
163,605.24 : 245,539.10 = 84,742.02 : x - Step 2: Convert to fraction form
163,605.24/245,539.10 = 84,742.02/x - Step 3: Cross multiply
163,605.24x = 245,539.10 × 84,742.02 - Step 4: Simplify right side
163,605.24x = 20,807,479,322.98 - Step 5: Solve for x
x = 20,807,479,322.98/163,605.24 - Step 6: Final answer
x = 127,181.01
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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.