Finding the Fourth Proportional to 259,598.72, 358,408.42 and 199,053.06
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Solution
The fourth proportional to 259,598.72, 358,408.42 and 199,053.06 is: 274,817.58
Step by Step Solution
- Step 1: Write the proportion equation
259,598.72 : 358,408.42 = 199,053.06 : x - Step 2: Convert to fraction form
259,598.72/358,408.42 = 199,053.06/x - Step 3: Cross multiply
259,598.72x = 358,408.42 × 199,053.06 - Step 4: Simplify right side
259,598.72x = 71,342,292,730.77 - Step 5: Solve for x
x = 71,342,292,730.77/259,598.72 - Step 6: Final answer
x = 274,817.58
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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.