Finding the Fourth Proportional to 353,060.58, 487,335.06 and 225,736.68
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Solution
The fourth proportional to 353,060.58, 487,335.06 and 225,736.68 is: 311,587.88
Step by Step Solution
- Step 1: Write the proportion equation
353,060.58 : 487,335.06 = 225,736.68 : x - Step 2: Convert to fraction form
353,060.58/487,335.06 = 225,736.68/x - Step 3: Cross multiply
353,060.58x = 487,335.06 × 225,736.68 - Step 4: Simplify right side
353,060.58x = 110,009,398,492.00 - Step 5: Solve for x
x = 110,009,398,492.00/353,060.58 - Step 6: Final answer
x = 311,587.88
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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.