Finding the Fourth Proportional to 446,723.92, 616,483.84 and 242,778.28
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Solution
The fourth proportional to 446,723.92, 616,483.84 and 242,778.28 is: 335,036.65
Step by Step Solution
- Step 1: Write the proportion equation
446,723.92 : 616,483.84 = 242,778.28 : x - Step 2: Convert to fraction form
446,723.92/616,483.84 = 242,778.28/x - Step 3: Cross multiply
446,723.92x = 616,483.84 × 242,778.28 - Step 4: Simplify right side
446,723.92x = 149,668,886,323.00 - Step 5: Solve for x
x = 149,668,886,323.00/446,723.92 - Step 6: Final answer
x = 335,036.65
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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.