Finding the Fourth Proportional to 235,419.84, 324,882.91 and 127,989.63
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Solution
The fourth proportional to 235,419.84, 324,882.91 and 127,989.63 is: 176,627.61
Step by Step Solution
- Step 1: Write the proportion equation
235,419.84 : 324,882.91 = 127,989.63 : x - Step 2: Convert to fraction form
235,419.84/324,882.91 = 127,989.63/x - Step 3: Cross multiply
235,419.84x = 324,882.91 × 127,989.63 - Step 4: Simplify right side
235,419.84x = 41,581,641,819.81 - Step 5: Solve for x
x = 41,581,641,819.81/235,419.84 - Step 6: Final answer
x = 176,627.61
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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.