Finding the Fourth Proportional to 256,272.36, 384,408.54 and 116,027.88
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Solution
The fourth proportional to 256,272.36, 384,408.54 and 116,027.88 is: 174,041.82
Step by Step Solution
- Step 1: Write the proportion equation
256,272.36 : 384,408.54 = 116,027.88 : x - Step 2: Convert to fraction form
256,272.36/384,408.54 = 116,027.88/x - Step 3: Cross multiply
256,272.36x = 384,408.54 × 116,027.88 - Step 4: Simplify right side
256,272.36x = 44,602,107,950.10 - Step 5: Solve for x
x = 44,602,107,950.10/256,272.36 - Step 6: Final answer
x = 174,041.82
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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.