Finding the Fourth Proportional to 436,445.18, 602,204.07 and 255,122.03
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Solution
The fourth proportional to 436,445.18, 602,204.07 and 255,122.03 is: 352,015.63
Step by Step Solution
- Step 1: Write the proportion equation
436,445.18 : 602,204.07 = 255,122.03 : x - Step 2: Convert to fraction form
436,445.18/602,204.07 = 255,122.03/x - Step 3: Cross multiply
436,445.18x = 602,204.07 × 255,122.03 - Step 4: Simplify right side
436,445.18x = 153,635,524,812.66 - Step 5: Solve for x
x = 153,635,524,812.66/436,445.18 - Step 6: Final answer
x = 352,015.63
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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.