Finding the Fourth Proportional to 608,190.15, 839,287.63 and 336,251.05
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Solution
The fourth proportional to 608,190.15, 839,287.63 and 336,251.05 is: 464,018.28
Step by Step Solution
- Step 1: Write the proportion equation
608,190.15 : 839,287.63 = 336,251.05 : x - Step 2: Convert to fraction form
608,190.15/839,287.63 = 336,251.05/x - Step 3: Cross multiply
608,190.15x = 839,287.63 × 336,251.05 - Step 4: Simplify right side
608,190.15x = 282,211,343,270.19 - Step 5: Solve for x
x = 282,211,343,270.19/608,190.15 - Step 6: Final answer
x = 464,018.28
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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.