Finding the Fourth Proportional to 341,465.40, 511,031.70 and 313,471.80
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Solution
The fourth proportional to 341,465.40, 511,031.70 and 313,471.80 is: 469,136.92
Step by Step Solution
- Step 1: Write the proportion equation
341,465.40 : 511,031.70 = 313,471.80 : x - Step 2: Convert to fraction form
341,465.40/511,031.70 = 313,471.80/x - Step 3: Cross multiply
341,465.40x = 511,031.70 × 313,471.80 - Step 4: Simplify right side
341,465.40x = 160,194,026,856.06 - Step 5: Solve for x
x = 160,194,026,856.06/341,465.40 - Step 6: Final answer
x = 469,136.92
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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.