Finding the Fourth Proportional to 235,459.23, 324,932.00 and 128,029.34
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Solution
The fourth proportional to 235,459.23, 324,932.00 and 128,029.34 is: 176,679.53
Step by Step Solution
- Step 1: Write the proportion equation
235,459.23 : 324,932.00 = 128,029.34 : x - Step 2: Convert to fraction form
235,459.23/324,932.00 = 128,029.34/x - Step 3: Cross multiply
235,459.23x = 324,932.00 × 128,029.34 - Step 4: Simplify right side
235,459.23x = 41,600,827,240.07 - Step 5: Solve for x
x = 41,600,827,240.07/235,459.23 - Step 6: Final answer
x = 176,679.53
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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.