Finding the Fourth Proportional to 470,194.42, 649,311.16 and 327,345.08
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Solution
The fourth proportional to 470,194.42, 649,311.16 and 327,345.08 is: 452,044.53
Step by Step Solution
- Step 1: Write the proportion equation
470,194.42 : 649,311.16 = 327,345.08 : x - Step 2: Convert to fraction form
470,194.42/649,311.16 = 327,345.08/x - Step 3: Cross multiply
470,194.42x = 649,311.16 × 327,345.08 - Step 4: Simplify right side
470,194.42x = 212,548,813,615.09 - Step 5: Solve for x
x = 212,548,813,615.09/470,194.42 - Step 6: Final answer
x = 452,044.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.