Finding the Fourth Proportional to 186,579.24, 257,479.56 and 101,696.28
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Solution
The fourth proportional to 186,579.24, 257,479.56 and 101,696.28 is: 140,340.98
Step by Step Solution
- Step 1: Write the proportion equation
186,579.24 : 257,479.56 = 101,696.28 : x - Step 2: Convert to fraction form
186,579.24/257,479.56 = 101,696.28/x - Step 3: Cross multiply
186,579.24x = 257,479.56 × 101,696.28 - Step 4: Simplify right side
186,579.24x = 26,184,713,428.04 - Step 5: Solve for x
x = 26,184,713,428.04/186,579.24 - Step 6: Final answer
x = 140,340.98
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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.