Finding the Fourth Proportional to 163,766.84, 245,782.66 and 84,903.62
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Solution
The fourth proportional to 163,766.84, 245,782.66 and 84,903.62 is: 127,424.07
Step by Step Solution
- Step 1: Write the proportion equation
163,766.84 : 245,782.66 = 84,903.62 : x - Step 2: Convert to fraction form
163,766.84/245,782.66 = 84,903.62/x - Step 3: Cross multiply
163,766.84x = 245,782.66 × 84,903.62 - Step 4: Simplify right side
163,766.84x = 20,867,837,567.23 - Step 5: Solve for x
x = 20,867,837,567.23/163,766.84 - Step 6: Final answer
x = 127,424.07
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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.