Finding the Fourth Proportional to 374,312.70, 561,493.35 and 197,165.70
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Solution
The fourth proportional to 374,312.70, 561,493.35 and 197,165.70 is: 295,761.35
Step by Step Solution
- Step 1: Write the proportion equation
374,312.70 : 561,493.35 = 197,165.70 : x - Step 2: Convert to fraction form
374,312.70/561,493.35 = 197,165.70/x - Step 3: Cross multiply
374,312.70x = 561,493.35 × 197,165.70 - Step 4: Simplify right side
374,312.70x = 110,707,229,398.10 - Step 5: Solve for x
x = 110,707,229,398.10/374,312.70 - Step 6: Final answer
x = 295,761.35
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1.5x scale
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.