Finding the Fourth Proportional to 179,977.18, 248,416.55 and 103,504.63
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Solution
The fourth proportional to 179,977.18, 248,416.55 and 103,504.63 is: 142,864.02
Step by Step Solution
- Step 1: Write the proportion equation
179,977.18 : 248,416.55 = 103,504.63 : x - Step 2: Convert to fraction form
179,977.18/248,416.55 = 103,504.63/x - Step 3: Cross multiply
179,977.18x = 248,416.55 × 103,504.63 - Step 4: Simplify right side
179,977.18x = 25,712,262,576.10 - Step 5: Solve for x
x = 25,712,262,576.10/179,977.18 - Step 6: Final answer
x = 142,864.02
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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.