Finding the Fourth Proportional to 286,517.52, 429,862.14 and 115,651.26
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Solution
The fourth proportional to 286,517.52, 429,862.14 and 115,651.26 is: 173,511.55
Step by Step Solution
- Step 1: Write the proportion equation
286,517.52 : 429,862.14 = 115,651.26 : x - Step 2: Convert to fraction form
286,517.52/429,862.14 = 115,651.26/x - Step 3: Cross multiply
286,517.52x = 429,862.14 × 115,651.26 - Step 4: Simplify right side
286,517.52x = 49,714,098,117.30 - Step 5: Solve for x
x = 49,714,098,117.30/286,517.52 - Step 6: Final answer
x = 173,511.55
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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.