Finding the Fourth Proportional to 374,322.70, 561,508.35 and 197,175.70
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Solution
The fourth proportional to 374,322.70, 561,508.35 and 197,175.70 is: 295,776.35
Step by Step Solution
- Step 1: Write the proportion equation
374,322.70 : 561,508.35 = 197,175.70 : x - Step 2: Convert to fraction form
374,322.70/561,508.35 = 197,175.70/x - Step 3: Cross multiply
374,322.70x = 561,508.35 × 197,175.70 - Step 4: Simplify right side
374,322.70x = 110,715,801,967.10 - Step 5: Solve for x
x = 110,715,801,967.10/374,322.70 - Step 6: Final answer
x = 295,776.35
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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.