Finding the Fourth Proportional to 642,464.36, 963,609.06 and 169,110.08
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Solution
The fourth proportional to 642,464.36, 963,609.06 and 169,110.08 is: 253,642.09
Step by Step Solution
- Step 1: Write the proportion equation
642,464.36 : 963,609.06 = 169,110.08 : x - Step 2: Convert to fraction form
642,464.36/963,609.06 = 169,110.08/x - Step 3: Cross multiply
642,464.36x = 963,609.06 × 169,110.08 - Step 4: Simplify right side
642,464.36x = 162,956,005,225.33 - Step 5: Solve for x
x = 162,956,005,225.33/642,464.36 - Step 6: Final answer
x = 253,642.09
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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.