Finding the Fourth Proportional to 132,901.12, 199,385.36 and 44,155.09
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Solution
The fourth proportional to 132,901.12, 199,385.36 and 44,155.09 is: 66,243.82
Step by Step Solution
- Step 1: Write the proportion equation
132,901.12 : 199,385.36 = 44,155.09 : x - Step 2: Convert to fraction form
132,901.12/199,385.36 = 44,155.09/x - Step 3: Cross multiply
132,901.12x = 199,385.36 × 44,155.09 - Step 4: Simplify right side
132,901.12x = 8,803,878,515.48 - Step 5: Solve for x
x = 8,803,878,515.48/132,901.12 - Step 6: Final answer
x = 66,243.82
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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.