Finding the Fourth Proportional to 257,854.24, 386,799.99 and 107,943.76
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Solution
The fourth proportional to 257,854.24, 386,799.99 and 107,943.76 is: 161,923.44
Step by Step Solution
- Step 1: Write the proportion equation
257,854.24 : 386,799.99 = 107,943.76 : x - Step 2: Convert to fraction form
257,854.24/386,799.99 = 107,943.76/x - Step 3: Cross multiply
257,854.24x = 386,799.99 × 107,943.76 - Step 4: Simplify right side
257,854.24x = 41,752,645,288.56 - Step 5: Solve for x
x = 41,752,645,288.56/257,854.24 - Step 6: Final answer
x = 161,923.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.