Finding the Fourth Proportional to 423,752.99, 635,630.58 and 103,906.26
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Solution
The fourth proportional to 423,752.99, 635,630.58 and 103,906.26 is: 155,859.66
Step by Step Solution
- Step 1: Write the proportion equation
423,752.99 : 635,630.58 = 103,906.26 : x - Step 2: Convert to fraction form
423,752.99/635,630.58 = 103,906.26/x - Step 3: Cross multiply
423,752.99x = 635,630.58 × 103,906.26 - Step 4: Simplify right side
423,752.99x = 66,045,996,309.43 - Step 5: Solve for x
x = 66,045,996,309.43/423,752.99 - Step 6: Final answer
x = 155,859.66
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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.