Finding the Fourth Proportional to 270,515.13, 405,508.99 and 112,788.69
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Solution
The fourth proportional to 270,515.13, 405,508.99 and 112,788.69 is: 169,073.09
Step by Step Solution
- Step 1: Write the proportion equation
270,515.13 : 405,508.99 = 112,788.69 : x - Step 2: Convert to fraction form
270,515.13/405,508.99 = 112,788.69/x - Step 3: Cross multiply
270,515.13x = 405,508.99 × 112,788.69 - Step 4: Simplify right side
270,515.13x = 45,736,827,765.32 - Step 5: Solve for x
x = 45,736,827,765.32/270,515.13 - Step 6: Final answer
x = 169,073.09
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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.