Finding the Fourth Proportional to 213,913.08, 321,184.98 and 119,328.03
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Solution
The fourth proportional to 213,913.08, 321,184.98 and 119,328.03 is: 179,167.96
Step by Step Solution
- Step 1: Write the proportion equation
213,913.08 : 321,184.98 = 119,328.03 : x - Step 2: Convert to fraction form
213,913.08/321,184.98 = 119,328.03/x - Step 3: Cross multiply
213,913.08x = 321,184.98 × 119,328.03 - Step 4: Simplify right side
213,913.08x = 38,326,370,928.99 - Step 5: Solve for x
x = 38,326,370,928.99/213,913.08 - Step 6: Final answer
x = 179,167.96
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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.