Finding the Fourth Proportional to 130,654.08, 180,335.97 and 74,098.26
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Solution
The fourth proportional to 130,654.08, 180,335.97 and 74,098.26 is: 102,274.51
Step by Step Solution
- Step 1: Write the proportion equation
130,654.08 : 180,335.97 = 74,098.26 : x - Step 2: Convert to fraction form
130,654.08/180,335.97 = 74,098.26/x - Step 3: Cross multiply
130,654.08x = 180,335.97 × 74,098.26 - Step 4: Simplify right side
130,654.08x = 13,362,581,592.41 - Step 5: Solve for x
x = 13,362,581,592.41/130,654.08 - Step 6: Final answer
x = 102,274.51
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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.