Finding the Fourth Proportional to 423,563.49, 635,158.71 and 198,987.75
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Solution
The fourth proportional to 423,563.49, 635,158.71 and 198,987.75 is: 298,394.00
Step by Step Solution
- Step 1: Write the proportion equation
423,563.49 : 635,158.71 = 198,987.75 : x - Step 2: Convert to fraction form
423,563.49/635,158.71 = 198,987.75/x - Step 3: Cross multiply
423,563.49x = 635,158.71 × 198,987.75 - Step 4: Simplify right side
423,563.49x = 126,388,802,595.80 - Step 5: Solve for x
x = 126,388,802,595.80/423,563.49 - Step 6: Final answer
x = 298,394.00
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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.