Finding the Fourth Proportional to 235,776.99, 325,372.27 and 128,347.82
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Solution
The fourth proportional to 235,776.99, 325,372.27 and 128,347.82 is: 177,120.00
Step by Step Solution
- Step 1: Write the proportion equation
235,776.99 : 325,372.27 = 128,347.82 : x - Step 2: Convert to fraction form
235,776.99/325,372.27 = 128,347.82/x - Step 3: Cross multiply
235,776.99x = 325,372.27 × 128,347.82 - Step 4: Simplify right side
235,776.99x = 41,760,819,916.09 - Step 5: Solve for x
x = 41,760,819,916.09/235,776.99 - Step 6: Final answer
x = 177,120.00
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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.