Finding the Fourth Proportional to 163,678.02, 245,576.99 and 68,932.05
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Solution
The fourth proportional to 163,678.02, 245,576.99 and 68,932.05 is: 103,423.32
Step by Step Solution
- Step 1: Write the proportion equation
163,678.02 : 245,576.99 = 68,932.05 : x - Step 2: Convert to fraction form
163,678.02/245,576.99 = 68,932.05/x - Step 3: Cross multiply
163,678.02x = 245,576.99 × 68,932.05 - Step 4: Simplify right side
163,678.02x = 16,928,124,411.07 - Step 5: Solve for x
x = 16,928,124,411.07/163,678.02 - Step 6: Final answer
x = 103,423.32
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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.