Finding the Fourth Proportional to 259,120.04, 388,680.08 and 101,237.81
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Solution
The fourth proportional to 259,120.04, 388,680.08 and 101,237.81 is: 151,856.72
Step by Step Solution
- Step 1: Write the proportion equation
259,120.04 : 388,680.08 = 101,237.81 : x - Step 2: Convert to fraction form
259,120.04/388,680.08 = 101,237.81/x - Step 3: Cross multiply
259,120.04x = 388,680.08 × 101,237.81 - Step 4: Simplify right side
259,120.04x = 39,349,117,640.24 - Step 5: Solve for x
x = 39,349,117,640.24/259,120.04 - Step 6: Final answer
x = 151,856.72
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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.