Finding the Fourth Proportional to 407,257.76, 610,905.84 and 336,048.32
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Solution
The fourth proportional to 407,257.76, 610,905.84 and 336,048.32 is: 504,088.32
Step by Step Solution
- Step 1: Write the proportion equation
407,257.76 : 610,905.84 = 336,048.32 : x - Step 2: Convert to fraction form
407,257.76/610,905.84 = 336,048.32/x - Step 3: Cross multiply
407,257.76x = 610,905.84 × 336,048.32 - Step 4: Simplify right side
407,257.76x = 205,293,881,210.19 - Step 5: Solve for x
x = 205,293,881,210.19/407,257.76 - Step 6: Final answer
x = 504,088.32
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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.