Finding the Fourth Proportional to 217,407.20, 326,224.82 and 157,927.08
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Solution
The fourth proportional to 217,407.20, 326,224.82 and 157,927.08 is: 236,973.45
Step by Step Solution
- Step 1: Write the proportion equation
217,407.20 : 326,224.82 = 157,927.08 : x - Step 2: Convert to fraction form
217,407.20/326,224.82 = 157,927.08/x - Step 3: Cross multiply
217,407.20x = 326,224.82 × 157,927.08 - Step 4: Simplify right side
217,407.20x = 51,519,733,246.13 - Step 5: Solve for x
x = 51,519,733,246.13/217,407.20 - Step 6: Final answer
x = 236,973.45
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1.5x scale
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.