Finding the Fourth Proportional to 131,572.08, 197,359.92 and 42,826.02
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Solution
The fourth proportional to 131,572.08, 197,359.92 and 42,826.02 is: 64,239.62
Step by Step Solution
- Step 1: Write the proportion equation
131,572.08 : 197,359.92 = 42,826.02 : x - Step 2: Convert to fraction form
131,572.08/197,359.92 = 42,826.02/x - Step 3: Cross multiply
131,572.08x = 197,359.92 × 42,826.02 - Step 4: Simplify right side
131,572.08x = 8,452,139,881.12 - Step 5: Solve for x
x = 8,452,139,881.12/131,572.08 - Step 6: Final answer
x = 64,239.62
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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.