Finding the Fourth Proportional to 436,711.79, 602,689.74 and 264,644.82
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Solution
The fourth proportional to 436,711.79, 602,689.74 and 264,644.82 is: 365,226.50
Step by Step Solution
- Step 1: Write the proportion equation
436,711.79 : 602,689.74 = 264,644.82 : x - Step 2: Convert to fraction form
436,711.79/602,689.74 = 264,644.82/x - Step 3: Cross multiply
436,711.79x = 602,689.74 × 264,644.82 - Step 4: Simplify right side
436,711.79x = 159,498,717,758.15 - Step 5: Solve for x
x = 159,498,717,758.15/436,711.79 - Step 6: Final answer
x = 365,226.50
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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.