Finding the Fourth Proportional to 541,840.19, 747,706.55 and 300,108.65
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Solution
The fourth proportional to 541,840.19, 747,706.55 and 300,108.65 is: 414,131.70
Step by Step Solution
- Step 1: Write the proportion equation
541,840.19 : 747,706.55 = 300,108.65 : x - Step 2: Convert to fraction form
541,840.19/747,706.55 = 300,108.65/x - Step 3: Cross multiply
541,840.19x = 747,706.55 × 300,108.65 - Step 4: Simplify right side
541,840.19x = 224,393,198,077.58 - Step 5: Solve for x
x = 224,393,198,077.58/541,840.19 - Step 6: Final answer
x = 414,131.70
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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.