Finding the Fourth Proportional to 186,532.91, 257,403.10 and 104,873.75
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Solution
The fourth proportional to 186,532.91, 257,403.10 and 104,873.75 is: 144,718.85
Step by Step Solution
- Step 1: Write the proportion equation
186,532.91 : 257,403.10 = 104,873.75 : x - Step 2: Convert to fraction form
186,532.91/257,403.10 = 104,873.75/x - Step 3: Cross multiply
186,532.91x = 257,403.10 × 104,873.75 - Step 4: Simplify right side
186,532.91x = 26,994,828,358.63 - Step 5: Solve for x
x = 26,994,828,358.63/186,532.91 - Step 6: Final answer
x = 144,718.85
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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.