Finding the Fourth Proportional to 230,257.35, 317,733.44 and 128,272.41
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Solution
The fourth proportional to 230,257.35, 317,733.44 and 128,272.41 is: 177,003.83
Step by Step Solution
- Step 1: Write the proportion equation
230,257.35 : 317,733.44 = 128,272.41 : x - Step 2: Convert to fraction form
230,257.35/317,733.44 = 128,272.41/x - Step 3: Cross multiply
230,257.35x = 317,733.44 × 128,272.41 - Step 4: Simplify right side
230,257.35x = 40,756,433,445.03 - Step 5: Solve for x
x = 40,756,433,445.03/230,257.35 - Step 6: Final answer
x = 177,003.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.