Finding the Fourth Proportional to 616,207.70, 924,311.55 and 216,845.30
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Solution
The fourth proportional to 616,207.70, 924,311.55 and 216,845.30 is: 325,267.95
Step by Step Solution
- Step 1: Write the proportion equation
616,207.70 : 924,311.55 = 216,845.30 : x - Step 2: Convert to fraction form
616,207.70/924,311.55 = 216,845.30/x - Step 3: Cross multiply
616,207.70x = 924,311.55 × 216,845.30 - Step 4: Simplify right side
616,207.70x = 200,432,615,353.22 - Step 5: Solve for x
x = 200,432,615,353.22/616,207.70 - Step 6: Final answer
x = 325,267.95
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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.