Finding the Fourth Proportional to 168,408.30, 232,403.31 and 92,956.62
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Solution
The fourth proportional to 168,408.30, 232,403.31 and 92,956.62 is: 128,280.06
Step by Step Solution
- Step 1: Write the proportion equation
168,408.30 : 232,403.31 = 92,956.62 : x - Step 2: Convert to fraction form
168,408.30/232,403.31 = 92,956.62/x - Step 3: Cross multiply
168,408.30x = 232,403.31 × 92,956.62 - Step 4: Simplify right side
168,408.30x = 21,603,426,174.41 - Step 5: Solve for x
x = 21,603,426,174.41/168,408.30 - Step 6: Final answer
x = 128,280.06
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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.