Finding the Fourth Proportional to 290,746.15, 401,170.88 and 169,864.09
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Solution
The fourth proportional to 290,746.15, 401,170.88 and 169,864.09 is: 234,378.09
Step by Step Solution
- Step 1: Write the proportion equation
290,746.15 : 401,170.88 = 169,864.09 : x - Step 2: Convert to fraction form
290,746.15/401,170.88 = 169,864.09/x - Step 3: Cross multiply
290,746.15x = 401,170.88 × 169,864.09 - Step 4: Simplify right side
290,746.15x = 68,144,526,465.70 - Step 5: Solve for x
x = 68,144,526,465.70/290,746.15 - Step 6: Final answer
x = 234,378.09
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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.