Finding the Fourth Proportional to 418,440.96, 577,449.84 and 227,454.96
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Solution
The fourth proportional to 418,440.96, 577,449.84 and 227,454.96 is: 313,888.56
Step by Step Solution
- Step 1: Write the proportion equation
418,440.96 : 577,449.84 = 227,454.96 : x - Step 2: Convert to fraction form
418,440.96/577,449.84 = 227,454.96/x - Step 3: Cross multiply
418,440.96x = 577,449.84 × 227,454.96 - Step 4: Simplify right side
418,440.96x = 131,343,830,259.21 - Step 5: Solve for x
x = 131,343,830,259.21/418,440.96 - Step 6: Final answer
x = 313,888.56
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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.