Finding the Fourth Proportional to 413,125.40, 619,688.10 and 271,407.80
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Solution
The fourth proportional to 413,125.40, 619,688.10 and 271,407.80 is: 407,111.70
Step by Step Solution
- Step 1: Write the proportion equation
413,125.40 : 619,688.10 = 271,407.80 : x - Step 2: Convert to fraction form
413,125.40/619,688.10 = 271,407.80/x - Step 3: Cross multiply
413,125.40x = 619,688.10 × 271,407.80 - Step 4: Simplify right side
413,125.40x = 168,188,183,907.18 - Step 5: Solve for x
x = 168,188,183,907.18/413,125.40 - Step 6: Final answer
x = 407,111.70
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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.