Finding the Fourth Proportional to 546,676.74, 819,985.95 and 147,311.10
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Solution
The fourth proportional to 546,676.74, 819,985.95 and 147,311.10 is: 220,958.79
Step by Step Solution
- Step 1: Write the proportion equation
546,676.74 : 819,985.95 = 147,311.10 : x - Step 2: Convert to fraction form
546,676.74/819,985.95 = 147,311.10/x - Step 3: Cross multiply
546,676.74x = 819,985.95 × 147,311.10 - Step 4: Simplify right side
546,676.74x = 120,793,032,279.05 - Step 5: Solve for x
x = 120,793,032,279.05/546,676.74 - Step 6: Final answer
x = 220,958.79
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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.