Finding the Fourth Proportional to 146,321.64, 201,937.86 and 88,956.63
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Solution
The fourth proportional to 146,321.64, 201,937.86 and 88,956.63 is: 122,768.66
Step by Step Solution
- Step 1: Write the proportion equation
146,321.64 : 201,937.86 = 88,956.63 : x - Step 2: Convert to fraction form
146,321.64/201,937.86 = 88,956.63/x - Step 3: Cross multiply
146,321.64x = 201,937.86 × 88,956.63 - Step 4: Simplify right side
146,321.64x = 17,963,711,495.01 - Step 5: Solve for x
x = 17,963,711,495.01/146,321.64 - Step 6: Final answer
x = 122,768.66
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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.