Finding the Fourth Proportional to 283,645.23, 391,430.40 and 170,467.98
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Solution
The fourth proportional to 283,645.23, 391,430.40 and 170,467.98 is: 235,245.80
Step by Step Solution
- Step 1: Write the proportion equation
283,645.23 : 391,430.40 = 170,467.98 : x - Step 2: Convert to fraction form
283,645.23/391,430.40 = 170,467.98/x - Step 3: Cross multiply
283,645.23x = 391,430.40 × 170,467.98 - Step 4: Simplify right side
283,645.23x = 66,726,349,598.59 - Step 5: Solve for x
x = 66,726,349,598.59/283,645.23 - Step 6: Final answer
x = 235,245.80
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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.