Finding the Fourth Proportional to 461,572.53, 636,467.88 and 300,128.19
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Solution
The fourth proportional to 461,572.53, 636,467.88 and 300,128.19 is: 413,850.35
Step by Step Solution
- Step 1: Write the proportion equation
461,572.53 : 636,467.88 = 300,128.19 : x - Step 2: Convert to fraction form
461,572.53/636,467.88 = 300,128.19/x - Step 3: Cross multiply
461,572.53x = 636,467.88 × 300,128.19 - Step 4: Simplify right side
461,572.53x = 191,021,949,868.04 - Step 5: Solve for x
x = 191,021,949,868.04/461,572.53 - Step 6: Final answer
x = 413,850.35
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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.