Finding the Fourth Proportional to 276,541.08, 414,811.62 and 99,172.65
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Solution
The fourth proportional to 276,541.08, 414,811.62 and 99,172.65 is: 148,758.98
Step by Step Solution
- Step 1: Write the proportion equation
276,541.08 : 414,811.62 = 99,172.65 : x - Step 2: Convert to fraction form
276,541.08/414,811.62 = 99,172.65/x - Step 3: Cross multiply
276,541.08x = 414,811.62 × 99,172.65 - Step 4: Simplify right side
276,541.08x = 41,137,967,606.19 - Step 5: Solve for x
x = 41,137,967,606.19/276,541.08 - Step 6: Final answer
x = 148,758.98
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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.