Finding the Fourth Proportional to 213,328.08, 294,392.88 and 117,838.80
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Solution
The fourth proportional to 213,328.08, 294,392.88 and 117,838.80 is: 162,617.62
Step by Step Solution
- Step 1: Write the proportion equation
213,328.08 : 294,392.88 = 117,838.80 : x - Step 2: Convert to fraction form
213,328.08/294,392.88 = 117,838.80/x - Step 3: Cross multiply
213,328.08x = 294,392.88 × 117,838.80 - Step 4: Simplify right side
213,328.08x = 34,690,903,707.74 - Step 5: Solve for x
x = 34,690,903,707.74/213,328.08 - Step 6: Final answer
x = 162,617.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.