Finding the Fourth Proportional to 436,968.72, 603,027.99 and 245,988.81
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Solution
The fourth proportional to 436,968.72, 603,027.99 and 245,988.81 is: 339,470.84
Step by Step Solution
- Step 1: Write the proportion equation
436,968.72 : 603,027.99 = 245,988.81 : x - Step 2: Convert to fraction form
436,968.72/603,027.99 = 245,988.81/x - Step 3: Cross multiply
436,968.72x = 603,027.99 × 245,988.81 - Step 4: Simplify right side
436,968.72x = 148,338,137,656.79 - Step 5: Solve for x
x = 148,338,137,656.79/436,968.72 - Step 6: Final answer
x = 339,470.84
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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.