Finding the Fourth Proportional to 213,225.84, 294,243.94 and 117,730.49
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Solution
The fourth proportional to 213,225.84, 294,243.94 and 117,730.49 is: 162,463.81
Step by Step Solution
- Step 1: Write the proportion equation
213,225.84 : 294,243.94 = 117,730.49 : x - Step 2: Convert to fraction form
213,225.84/294,243.94 = 117,730.49/x - Step 3: Cross multiply
213,225.84x = 294,243.94 × 117,730.49 - Step 4: Simplify right side
213,225.84x = 34,641,482,739.24 - Step 5: Solve for x
x = 34,641,482,739.24/213,225.84 - Step 6: Final answer
x = 162,463.81
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1.5x scale
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.