Finding the Fourth Proportional to 154,600.98, 213,355.48 and 86,618.52
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Solution
The fourth proportional to 154,600.98, 213,355.48 and 86,618.52 is: 119,536.99
Step by Step Solution
- Step 1: Write the proportion equation
154,600.98 : 213,355.48 = 86,618.52 : x - Step 2: Convert to fraction form
154,600.98/213,355.48 = 86,618.52/x - Step 3: Cross multiply
154,600.98x = 213,355.48 × 86,618.52 - Step 4: Simplify right side
154,600.98x = 18,480,535,911.49 - Step 5: Solve for x
x = 18,480,535,911.49/154,600.98 - Step 6: Final answer
x = 119,536.99
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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.