Finding the Fourth Proportional to 560,601.40, 840,402.12 and 205,532.68
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Solution
The fourth proportional to 560,601.40, 840,402.12 and 205,532.68 is: 308,115.71
Step by Step Solution
- Step 1: Write the proportion equation
560,601.40 : 840,402.12 = 205,532.68 : x - Step 2: Convert to fraction form
560,601.40/840,402.12 = 205,532.68/x - Step 3: Cross multiply
560,601.40x = 840,402.12 × 205,532.68 - Step 4: Simplify right side
560,601.40x = 172,730,100,001.28 - Step 5: Solve for x
x = 172,730,100,001.28/560,601.40 - Step 6: Final answer
x = 308,115.71
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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.