Finding the Fourth Proportional to 649,149.80, 973,724.70 and 369,213.80
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Solution
The fourth proportional to 649,149.80, 973,724.70 and 369,213.80 is: 553,820.70
Step by Step Solution
- Step 1: Write the proportion equation
649,149.80 : 973,724.70 = 369,213.80 : x - Step 2: Convert to fraction form
649,149.80/973,724.70 = 369,213.80/x - Step 3: Cross multiply
649,149.80x = 973,724.70 × 369,213.80 - Step 4: Simplify right side
649,149.80x = 359,512,596,640.86 - Step 5: Solve for x
x = 359,512,596,640.86/649,149.80 - Step 6: Final answer
x = 553,820.70
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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.