Finding the Fourth Proportional to 454,278.23, 626,931.74 and 250,329.18
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Solution
The fourth proportional to 454,278.23, 626,931.74 and 250,329.18 is: 345,469.58
Step by Step Solution
- Step 1: Write the proportion equation
454,278.23 : 626,931.74 = 250,329.18 : x - Step 2: Convert to fraction form
454,278.23/626,931.74 = 250,329.18/x - Step 3: Cross multiply
454,278.23x = 626,931.74 × 250,329.18 - Step 4: Simplify right side
454,278.23x = 156,939,307,138.53 - Step 5: Solve for x
x = 156,939,307,138.53/454,278.23 - Step 6: Final answer
x = 345,469.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.