Finding the Fourth Proportional to 259,218.50, 388,477.82 and 134,646.98
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Solution
The fourth proportional to 259,218.50, 388,477.82 and 134,646.98 is: 201,788.70
Step by Step Solution
- Step 1: Write the proportion equation
259,218.50 : 388,477.82 = 134,646.98 : x - Step 2: Convert to fraction form
259,218.50/388,477.82 = 134,646.98/x - Step 3: Cross multiply
259,218.50x = 388,477.82 × 134,646.98 - Step 4: Simplify right side
259,218.50x = 52,307,363,654.21 - Step 5: Solve for x
x = 52,307,363,654.21/259,218.50 - Step 6: Final answer
x = 201,788.70
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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.