Finding the Fourth Proportional to 482,576.58, 723,630.87 and 145,555.02
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Solution
The fourth proportional to 482,576.58, 723,630.87 and 145,555.02 is: 218,261.95
Step by Step Solution
- Step 1: Write the proportion equation
482,576.58 : 723,630.87 = 145,555.02 : x - Step 2: Convert to fraction form
482,576.58/723,630.87 = 145,555.02/x - Step 3: Cross multiply
482,576.58x = 723,630.87 × 145,555.02 - Step 4: Simplify right side
482,576.58x = 105,328,105,755.47 - Step 5: Solve for x
x = 105,328,105,755.47/482,576.58 - Step 6: Final answer
x = 218,261.95
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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.