Finding the Fourth Proportional to 423,169.24, 634,751.12 and 107,623.42
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Solution
The fourth proportional to 423,169.24, 634,751.12 and 107,623.42 is: 161,434.43
Step by Step Solution
- Step 1: Write the proportion equation
423,169.24 : 634,751.12 = 107,623.42 : x - Step 2: Convert to fraction form
423,169.24/634,751.12 = 107,623.42/x - Step 3: Cross multiply
423,169.24x = 634,751.12 × 107,623.42 - Step 4: Simplify right side
423,169.24x = 68,314,086,383.23 - Step 5: Solve for x
x = 68,314,086,383.23/423,169.24 - Step 6: Final answer
x = 161,434.43
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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.