Finding the Fourth Proportional to 548,576.53, 756,730.76 and 319,108.00
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Solution
The fourth proportional to 548,576.53, 756,730.76 and 319,108.00 is: 440,191.70
Step by Step Solution
- Step 1: Write the proportion equation
548,576.53 : 756,730.76 = 319,108.00 : x - Step 2: Convert to fraction form
548,576.53/756,730.76 = 319,108.00/x - Step 3: Cross multiply
548,576.53x = 756,730.76 × 319,108.00 - Step 4: Simplify right side
548,576.53x = 241,478,835,874.71 - Step 5: Solve for x
x = 241,478,835,874.71/548,576.53 - Step 6: Final answer
x = 440,191.70
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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.