Finding the Fourth Proportional to 616,532.20, 924,107.10 and 261,485.80
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Solution
The fourth proportional to 616,532.20, 924,107.10 and 261,485.80 is: 391,935.55
Step by Step Solution
- Step 1: Write the proportion equation
616,532.20 : 924,107.10 = 261,485.80 : x - Step 2: Convert to fraction form
616,532.20/924,107.10 = 261,485.80/x - Step 3: Cross multiply
616,532.20x = 924,107.10 × 261,485.80 - Step 4: Simplify right side
616,532.20x = 241,640,884,329.18 - Step 5: Solve for x
x = 241,640,884,329.18/616,532.20 - Step 6: Final answer
x = 391,935.55
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1.5x scale
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.