Finding the Fourth Proportional to 436,836.39, 602,853.62 and 245,862.15
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Solution
The fourth proportional to 436,836.39, 602,853.62 and 245,862.15 is: 339,300.68
Step by Step Solution
- Step 1: Write the proportion equation
436,836.39 : 602,853.62 = 245,862.15 : x - Step 2: Convert to fraction form
436,836.39/602,853.62 = 245,862.15/x - Step 3: Cross multiply
436,836.39x = 602,853.62 × 245,862.15 - Step 4: Simplify right side
436,836.39x = 148,218,885,919.17 - Step 5: Solve for x
x = 148,218,885,919.17/436,836.39 - Step 6: Final answer
x = 339,300.68
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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.