Finding the Fourth Proportional to 470,660.74, 649,516.08 and 255,801.32
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Solution
The fourth proportional to 470,660.74, 649,516.08 and 255,801.32 is: 353,008.14
Step by Step Solution
- Step 1: Write the proportion equation
470,660.74 : 649,516.08 = 255,801.32 : x - Step 2: Convert to fraction form
470,660.74/649,516.08 = 255,801.32/x - Step 3: Cross multiply
470,660.74x = 649,516.08 × 255,801.32 - Step 4: Simplify right side
470,660.74x = 166,147,070,625.23 - Step 5: Solve for x
x = 166,147,070,625.23/470,660.74 - Step 6: Final answer
x = 353,008.14
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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.