Finding the Fourth Proportional to 312,077.32, 468,128.94 and 101,717.08
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Solution
The fourth proportional to 312,077.32, 468,128.94 and 101,717.08 is: 152,579.84
Step by Step Solution
- Step 1: Write the proportion equation
312,077.32 : 468,128.94 = 101,717.08 : x - Step 2: Convert to fraction form
312,077.32/468,128.94 = 101,717.08/x - Step 3: Cross multiply
312,077.32x = 468,128.94 × 101,717.08 - Step 4: Simplify right side
312,077.32x = 47,616,708,840.30 - Step 5: Solve for x
x = 47,616,708,840.30/312,077.32 - Step 6: Final answer
x = 152,579.84
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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.