Finding the Fourth Proportional to 436,823.12, 602,716.20 and 245,766.80
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Solution
The fourth proportional to 436,823.12, 602,716.20 and 245,766.80 is: 339,102.09
Step by Step Solution
- Step 1: Write the proportion equation
436,823.12 : 602,716.20 = 245,766.80 : x - Step 2: Convert to fraction form
436,823.12/602,716.20 = 245,766.80/x - Step 3: Cross multiply
436,823.12x = 602,716.20 × 245,766.80 - Step 4: Simplify right side
436,823.12x = 148,127,631,782.16 - Step 5: Solve for x
x = 148,127,631,782.16/436,823.12 - Step 6: Final answer
x = 339,102.09
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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.