Finding the Fourth Proportional to 234,986.13, 323,461.26 and 202,822.74
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Solution
The fourth proportional to 234,986.13, 323,461.26 and 202,822.74 is: 279,187.96
Step by Step Solution
- Step 1: Write the proportion equation
234,986.13 : 323,461.26 = 202,822.74 : x - Step 2: Convert to fraction form
234,986.13/323,461.26 = 202,822.74/x - Step 3: Cross multiply
234,986.13x = 323,461.26 × 202,822.74 - Step 4: Simplify right side
234,986.13x = 65,605,299,037.05 - Step 5: Solve for x
x = 65,605,299,037.05/234,986.13 - Step 6: Final answer
x = 279,187.96
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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.