Finding the Fourth Proportional to 346,467.40, 519,701.10 and 327,113.80
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Solution
The fourth proportional to 346,467.40, 519,701.10 and 327,113.80 is: 490,670.70
Step by Step Solution
- Step 1: Write the proportion equation
346,467.40 : 519,701.10 = 327,113.80 : x - Step 2: Convert to fraction form
346,467.40/519,701.10 = 327,113.80/x - Step 3: Cross multiply
346,467.40x = 519,701.10 × 327,113.80 - Step 4: Simplify right side
346,467.40x = 170,001,401,685.18 - Step 5: Solve for x
x = 170,001,401,685.18/346,467.40 - Step 6: Final answer
x = 490,670.70
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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.