Finding the Fourth Proportional to 513,013.18, 707,885.82 and 292,256.26
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Solution
The fourth proportional to 513,013.18, 707,885.82 and 292,256.26 is: 403,272.41
Step by Step Solution
- Step 1: Write the proportion equation
513,013.18 : 707,885.82 = 292,256.26 : x - Step 2: Convert to fraction form
513,013.18/707,885.82 = 292,256.26/x - Step 3: Cross multiply
513,013.18x = 707,885.82 × 292,256.26 - Step 4: Simplify right side
513,013.18x = 206,884,062,260.23 - Step 5: Solve for x
x = 206,884,062,260.23/513,013.18 - Step 6: Final answer
x = 403,272.41
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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.