Finding the Fourth Proportional to 276,539.14, 415,055.95 and 141,695.20
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Solution
The fourth proportional to 276,539.14, 415,055.95 and 141,695.20 is: 212,669.48
Step by Step Solution
- Step 1: Write the proportion equation
276,539.14 : 415,055.95 = 141,695.20 : x - Step 2: Convert to fraction form
276,539.14/415,055.95 = 141,695.20/x - Step 3: Cross multiply
276,539.14x = 415,055.95 × 141,695.20 - Step 4: Simplify right side
276,539.14x = 58,811,435,846.44 - Step 5: Solve for x
x = 58,811,435,846.44/276,539.14 - Step 6: Final answer
x = 212,669.48
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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.