Finding the Fourth Proportional to 436,529.76, 602,404.76 and 245,543.08
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Solution
The fourth proportional to 436,529.76, 602,404.76 and 245,543.08 is: 338,845.90
Step by Step Solution
- Step 1: Write the proportion equation
436,529.76 : 602,404.76 = 245,543.08 : x - Step 2: Convert to fraction form
436,529.76/602,404.76 = 245,543.08/x - Step 3: Cross multiply
436,529.76x = 602,404.76 × 245,543.08 - Step 4: Simplify right side
436,529.76x = 147,916,320,177.06 - Step 5: Solve for x
x = 147,916,320,177.06/436,529.76 - Step 6: Final answer
x = 338,845.90
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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.