Finding the Fourth Proportional to 451,230.21, 676,389.84 and 282,868.80
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Solution
The fourth proportional to 451,230.21, 676,389.84 and 282,868.80 is: 424,017.67
Step by Step Solution
- Step 1: Write the proportion equation
451,230.21 : 676,389.84 = 282,868.80 : x - Step 2: Convert to fraction form
451,230.21/676,389.84 = 282,868.80/x - Step 3: Cross multiply
451,230.21x = 676,389.84 × 282,868.80 - Step 4: Simplify right side
451,230.21x = 191,329,582,372.99 - Step 5: Solve for x
x = 191,329,582,372.99/451,230.21 - Step 6: Final answer
x = 424,017.67
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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.