Finding the Fourth Proportional to 436,368.84, 602,185.23 and 245,378.13
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Solution
The fourth proportional to 436,368.84, 602,185.23 and 245,378.13 is: 338,619.70
Step by Step Solution
- Step 1: Write the proportion equation
436,368.84 : 602,185.23 = 245,378.13 : x - Step 2: Convert to fraction form
436,368.84/602,185.23 = 245,378.13/x - Step 3: Cross multiply
436,368.84x = 602,185.23 × 245,378.13 - Step 4: Simplify right side
436,368.84x = 147,763,085,651.02 - Step 5: Solve for x
x = 147,763,085,651.02/436,368.84 - Step 6: Final answer
x = 338,619.70
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1.5x scale
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.