Finding the Fourth Proportional to 147,835.56, 203,773.41 and 115,513.68
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Solution
The fourth proportional to 147,835.56, 203,773.41 and 115,513.68 is: 159,221.61
Step by Step Solution
- Step 1: Write the proportion equation
147,835.56 : 203,773.41 = 115,513.68 : x - Step 2: Convert to fraction form
147,835.56/203,773.41 = 115,513.68/x - Step 3: Cross multiply
147,835.56x = 203,773.41 × 115,513.68 - Step 4: Simplify right side
147,835.56x = 23,538,616,475.25 - Step 5: Solve for x
x = 23,538,616,475.25/147,835.56 - Step 6: Final answer
x = 159,221.61
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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.