Finding the Fourth Proportional to 178,537.46, 246,381.68 and 102,058.20
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Solution
The fourth proportional to 178,537.46, 246,381.68 and 102,058.20 is: 140,840.31
Step by Step Solution
- Step 1: Write the proportion equation
178,537.46 : 246,381.68 = 102,058.20 : x - Step 2: Convert to fraction form
178,537.46/246,381.68 = 102,058.20/x - Step 3: Cross multiply
178,537.46x = 246,381.68 × 102,058.20 - Step 4: Simplify right side
178,537.46x = 25,145,270,263.49 - Step 5: Solve for x
x = 25,145,270,263.49/178,537.46 - Step 6: Final answer
x = 140,840.31
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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.