Finding the Fourth Proportional to 313,837.98, 433,091.30 and 170,601.63
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Solution
The fourth proportional to 313,837.98, 433,091.30 and 170,601.63 is: 235,427.47
Step by Step Solution
- Step 1: Write the proportion equation
313,837.98 : 433,091.30 = 170,601.63 : x - Step 2: Convert to fraction form
313,837.98/433,091.30 = 170,601.63/x - Step 3: Cross multiply
313,837.98x = 433,091.30 × 170,601.63 - Step 4: Simplify right side
313,837.98x = 73,886,081,718.82 - Step 5: Solve for x
x = 73,886,081,718.82/313,837.98 - Step 6: Final answer
x = 235,427.47
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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.