Finding the Fourth Proportional to 213,426.99, 294,525.16 and 117,931.63
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Solution
The fourth proportional to 213,426.99, 294,525.16 and 117,931.63 is: 162,743.39
Step by Step Solution
- Step 1: Write the proportion equation
213,426.99 : 294,525.16 = 117,931.63 : x - Step 2: Convert to fraction form
213,426.99/294,525.16 = 117,931.63/x - Step 3: Cross multiply
213,426.99x = 294,525.16 × 117,931.63 - Step 4: Simplify right side
213,426.99x = 34,733,832,194.81 - Step 5: Solve for x
x = 34,733,832,194.81/213,426.99 - Step 6: Final answer
x = 162,743.39
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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.