Finding the Fourth Proportional to 408,438.63, 563,627.90 and 224,665.53
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Solution
The fourth proportional to 408,438.63, 563,627.90 and 224,665.53 is: 310,028.85
Step by Step Solution
- Step 1: Write the proportion equation
408,438.63 : 563,627.90 = 224,665.53 : x - Step 2: Convert to fraction form
408,438.63/563,627.90 = 224,665.53/x - Step 3: Cross multiply
408,438.63x = 563,627.90 × 224,665.53 - Step 4: Simplify right side
408,438.63x = 126,627,759,752.96 - Step 5: Solve for x
x = 126,627,759,752.96/408,438.63 - Step 6: Final answer
x = 310,028.85
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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.