Finding the Fourth Proportional to 479,516.90, 661,731.93 and 264,655.42
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Solution
The fourth proportional to 479,516.90, 661,731.93 and 264,655.42 is: 365,223.71
Step by Step Solution
- Step 1: Write the proportion equation
479,516.90 : 661,731.93 = 264,655.42 : x - Step 2: Convert to fraction form
479,516.90/661,731.93 = 264,655.42/x - Step 3: Cross multiply
479,516.90x = 661,731.93 × 264,655.42 - Step 4: Simplify right side
479,516.90x = 175,130,940,207.23 - Step 5: Solve for x
x = 175,130,940,207.23/479,516.90 - Step 6: Final answer
x = 365,223.71
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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.