Finding the Fourth Proportional to 423,618.10, 635,572.95 and 265,661.62
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Solution
The fourth proportional to 423,618.10, 635,572.95 and 265,661.62 is: 398,583.86
Step by Step Solution
- Step 1: Write the proportion equation
423,618.10 : 635,572.95 = 265,661.62 : x - Step 2: Convert to fraction form
423,618.10/635,572.95 = 265,661.62/x - Step 3: Cross multiply
423,618.10x = 635,572.95 × 265,661.62 - Step 4: Simplify right side
423,618.10x = 168,847,337,936.25 - Step 5: Solve for x
x = 168,847,337,936.25/423,618.10 - Step 6: Final answer
x = 398,583.86
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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.