Finding the Fourth Proportional to 446,706.40, 616,447.92 and 245,498.08
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Solution
The fourth proportional to 446,706.40, 616,447.92 and 245,498.08 is: 338,783.55
Step by Step Solution
- Step 1: Write the proportion equation
446,706.40 : 616,447.92 = 245,498.08 : x - Step 2: Convert to fraction form
446,706.40/616,447.92 = 245,498.08/x - Step 3: Cross multiply
446,706.40x = 616,447.92 × 245,498.08 - Step 4: Simplify right side
446,706.40x = 151,336,780,779.99 - Step 5: Solve for x
x = 151,336,780,779.99/446,706.40 - Step 6: Final answer
x = 338,783.55
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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.