Finding the Fourth Proportional to 235,346.74, 324,780.48 and 127,916.75
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Solution
The fourth proportional to 235,346.74, 324,780.48 and 127,916.75 is: 176,526.20
Step by Step Solution
- Step 1: Write the proportion equation
235,346.74 : 324,780.48 = 127,916.75 : x - Step 2: Convert to fraction form
235,346.74/324,780.48 = 127,916.75/x - Step 3: Cross multiply
235,346.74x = 324,780.48 × 127,916.75 - Step 4: Simplify right side
235,346.74x = 41,544,864,276.99 - Step 5: Solve for x
x = 41,544,864,276.99/235,346.74 - Step 6: Final answer
x = 176,526.20
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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.