Finding the Fourth Proportional to 446,615.19, 616,381.92 and 255,690.09
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Solution
The fourth proportional to 446,615.19, 616,381.92 and 255,690.09 is: 352,882.64
Step by Step Solution
- Step 1: Write the proportion equation
446,615.19 : 616,381.92 = 255,690.09 : x - Step 2: Convert to fraction form
446,615.19/616,381.92 = 255,690.09/x - Step 3: Cross multiply
446,615.19x = 616,381.92 × 255,690.09 - Step 4: Simplify right side
446,615.19x = 157,602,748,599.17 - Step 5: Solve for x
x = 157,602,748,599.17/446,615.19 - Step 6: Final answer
x = 352,882.64
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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.