Finding the Fourth Proportional to 178,328.21, 246,104.40 and 97,755.94
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Solution
The fourth proportional to 178,328.21, 246,104.40 and 97,755.94 is: 134,909.48
Step by Step Solution
- Step 1: Write the proportion equation
178,328.21 : 246,104.40 = 97,755.94 : x - Step 2: Convert to fraction form
178,328.21/246,104.40 = 97,755.94/x - Step 3: Cross multiply
178,328.21x = 246,104.40 × 97,755.94 - Step 4: Simplify right side
178,328.21x = 24,058,166,667.24 - Step 5: Solve for x
x = 24,058,166,667.24/178,328.21 - Step 6: Final answer
x = 134,909.48
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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.