Finding the Fourth Proportional to 426,453.76, 588,502.08 and 235,463.08
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Solution
The fourth proportional to 426,453.76, 588,502.08 and 235,463.08 is: 324,936.78
Step by Step Solution
- Step 1: Write the proportion equation
426,453.76 : 588,502.08 = 235,463.08 : x - Step 2: Convert to fraction form
426,453.76/588,502.08 = 235,463.08/x - Step 3: Cross multiply
426,453.76x = 588,502.08 × 235,463.08 - Step 4: Simplify right side
426,453.76x = 138,570,512,343.21 - Step 5: Solve for x
x = 138,570,512,343.21/426,453.76 - Step 6: Final answer
x = 324,936.78
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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.