Finding the Fourth Proportional to 230,944.62, 318,633.95 and 134,129.82
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Solution
The fourth proportional to 230,944.62, 318,633.95 and 134,129.82 is: 185,058.72
Step by Step Solution
- Step 1: Write the proportion equation
230,944.62 : 318,633.95 = 134,129.82 : x - Step 2: Convert to fraction form
230,944.62/318,633.95 = 134,129.82/x - Step 3: Cross multiply
230,944.62x = 318,633.95 × 134,129.82 - Step 4: Simplify right side
230,944.62x = 42,738,315,889.59 - Step 5: Solve for x
x = 42,738,315,889.59/230,944.62 - Step 6: Final answer
x = 185,058.72
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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.