Finding the Fourth Proportional to 423,943.79, 585,035.78 and 232,953.08
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Solution
The fourth proportional to 423,943.79, 585,035.78 and 232,953.08 is: 321,471.59
Step by Step Solution
- Step 1: Write the proportion equation
423,943.79 : 585,035.78 = 232,953.08 : x - Step 2: Convert to fraction form
423,943.79/585,035.78 = 232,953.08/x - Step 3: Cross multiply
423,943.79x = 585,035.78 × 232,953.08 - Step 4: Simplify right side
423,943.79x = 136,285,882,771.26 - Step 5: Solve for x
x = 136,285,882,771.26/423,943.79 - Step 6: Final answer
x = 321,471.59
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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.