Finding the Fourth Proportional to 155,511.14, 233,130.60 and 129,077.01
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Solution
The fourth proportional to 155,511.14, 233,130.60 and 129,077.01 is: 193,502.55
Step by Step Solution
- Step 1: Write the proportion equation
155,511.14 : 233,130.60 = 129,077.01 : x - Step 2: Convert to fraction form
155,511.14/233,130.60 = 129,077.01/x - Step 3: Cross multiply
155,511.14x = 233,130.60 × 129,077.01 - Step 4: Simplify right side
155,511.14x = 30,091,800,787.51 - Step 5: Solve for x
x = 30,091,800,787.51/155,511.14 - Step 6: Final answer
x = 193,502.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.