Finding the Fourth Proportional to 236,461.33, 354,691.99 and 86,711.77
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Solution
The fourth proportional to 236,461.33, 354,691.99 and 86,711.77 is: 130,067.65
Step by Step Solution
- Step 1: Write the proportion equation
236,461.33 : 354,691.99 = 86,711.77 : x - Step 2: Convert to fraction form
236,461.33/354,691.99 = 86,711.77/x - Step 3: Cross multiply
236,461.33x = 354,691.99 × 86,711.77 - Step 4: Simplify right side
236,461.33x = 30,755,968,267.48 - Step 5: Solve for x
x = 30,755,968,267.48/236,461.33 - Step 6: Final answer
x = 130,067.65
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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.