Finding the Fourth Proportional to 436,636.62, 602,525.19 and 245,613.09
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Solution
The fourth proportional to 436,636.62, 602,525.19 and 245,613.09 is: 338,927.31
Step by Step Solution
- Step 1: Write the proportion equation
436,636.62 : 602,525.19 = 245,613.09 : x - Step 2: Convert to fraction form
436,636.62/602,525.19 = 245,613.09/x - Step 3: Cross multiply
436,636.62x = 602,525.19 × 245,613.09 - Step 4: Simplify right side
436,636.62x = 147,988,073,718.74 - Step 5: Solve for x
x = 147,988,073,718.74/436,636.62 - Step 6: Final answer
x = 338,927.31
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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.