Finding the Fourth Proportional to 149,618.88, 206,412.16 and 104,323.68
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Solution
The fourth proportional to 149,618.88, 206,412.16 and 104,323.68 is: 143,923.52
Step by Step Solution
- Step 1: Write the proportion equation
149,618.88 : 206,412.16 = 104,323.68 : x - Step 2: Convert to fraction form
149,618.88/206,412.16 = 104,323.68/x - Step 3: Cross multiply
149,618.88x = 206,412.16 × 104,323.68 - Step 4: Simplify right side
149,618.88x = 21,533,676,127.95 - Step 5: Solve for x
x = 21,533,676,127.95/149,618.88 - Step 6: Final answer
x = 143,923.52
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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.