Finding the Fourth Proportional to 418,854.24, 628,543.80 and 169,536.24
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Solution
The fourth proportional to 418,854.24, 628,543.80 and 169,536.24 is: 254,410.59
Step by Step Solution
- Step 1: Write the proportion equation
418,854.24 : 628,543.80 = 169,536.24 : x - Step 2: Convert to fraction form
418,854.24/628,543.80 = 169,536.24/x - Step 3: Cross multiply
418,854.24x = 628,543.80 × 169,536.24 - Step 4: Simplify right side
418,854.24x = 106,560,952,527.31 - Step 5: Solve for x
x = 106,560,952,527.31/418,854.24 - Step 6: Final answer
x = 254,410.59
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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.