Finding the Fourth Proportional to 234,023.49, 322,953.99 and 143,379.63
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Solution
The fourth proportional to 234,023.49, 322,953.99 and 143,379.63 is: 197,864.85
Step by Step Solution
- Step 1: Write the proportion equation
234,023.49 : 322,953.99 = 143,379.63 : x - Step 2: Convert to fraction form
234,023.49/322,953.99 = 143,379.63/x - Step 3: Cross multiply
234,023.49x = 322,953.99 × 143,379.63 - Step 4: Simplify right side
234,023.49x = 46,305,023,593.22 - Step 5: Solve for x
x = 46,305,023,593.22/234,023.49 - Step 6: Final answer
x = 197,864.85
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1.5x scale
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.