Finding the Fourth Proportional to 351,203.34, 526,640.76 and 126,534.18
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Solution
The fourth proportional to 351,203.34, 526,640.76 and 126,534.18 is: 189,742.09
Step by Step Solution
- Step 1: Write the proportion equation
351,203.34 : 526,640.76 = 126,534.18 : x - Step 2: Convert to fraction form
351,203.34/526,640.76 = 126,534.18/x - Step 3: Cross multiply
351,203.34x = 526,640.76 × 126,534.18 - Step 4: Simplify right side
351,203.34x = 66,638,056,721.18 - Step 5: Solve for x
x = 66,638,056,721.18/351,203.34 - Step 6: Final answer
x = 189,742.09
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1.5x scale
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.