Finding the Fourth Proportional to 171,216.24, 256,876.08 and 51,277.08
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Solution
The fourth proportional to 171,216.24, 256,876.08 and 51,277.08 is: 76,931.11
Step by Step Solution
- Step 1: Write the proportion equation
171,216.24 : 256,876.08 = 51,277.08 : x - Step 2: Convert to fraction form
171,216.24/256,876.08 = 51,277.08/x - Step 3: Cross multiply
171,216.24x = 256,876.08 × 51,277.08 - Step 4: Simplify right side
171,216.24x = 13,171,855,304.25 - Step 5: Solve for x
x = 13,171,855,304.25/171,216.24 - Step 6: Final answer
x = 76,931.11
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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.