Finding the Fourth Proportional to 436,637.80, 602,517.27 and 245,647.09
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Solution
The fourth proportional to 436,637.80, 602,517.27 and 245,647.09 is: 338,968.85
Step by Step Solution
- Step 1: Write the proportion equation
436,637.80 : 602,517.27 = 245,647.09 : x - Step 2: Convert to fraction form
436,637.80/602,517.27 = 245,647.09/x - Step 3: Cross multiply
436,637.80x = 602,517.27 × 245,647.09 - Step 4: Simplify right side
436,637.80x = 148,006,614,050.24 - Step 5: Solve for x
x = 148,006,614,050.24/436,637.80 - Step 6: Final answer
x = 338,968.85
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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.