Finding the Fourth Proportional to 423,943.40, 585,035.12 and 232,952.69
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Solution
The fourth proportional to 423,943.40, 585,035.12 and 232,952.69 is: 321,470.99
Step by Step Solution
- Step 1: Write the proportion equation
423,943.40 : 585,035.12 = 232,952.69 : x - Step 2: Convert to fraction form
423,943.40/585,035.12 = 232,952.69/x - Step 3: Cross multiply
423,943.40x = 585,035.12 × 232,952.69 - Step 4: Simplify right side
423,943.40x = 136,285,506,993.44 - Step 5: Solve for x
x = 136,285,506,993.44/423,943.40 - Step 6: Final answer
x = 321,470.99
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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.