Finding the Fourth Proportional to 436,438.76, 602,195.18 and 255,115.60
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Solution
The fourth proportional to 436,438.76, 602,195.18 and 255,115.60 is: 352,006.74
Step by Step Solution
- Step 1: Write the proportion equation
436,438.76 : 602,195.18 = 255,115.60 : x - Step 2: Convert to fraction form
436,438.76/602,195.18 = 255,115.60/x - Step 3: Cross multiply
436,438.76x = 602,195.18 × 255,115.60 - Step 4: Simplify right side
436,438.76x = 153,629,385,727.95 - Step 5: Solve for x
x = 153,629,385,727.95/436,438.76 - Step 6: Final answer
x = 352,006.74
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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.