Finding the Fourth Proportional to 436,902.53, 602,803.68 and 281,788.19
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Solution
The fourth proportional to 436,902.53, 602,803.68 and 281,788.19 is: 388,789.14
Step by Step Solution
- Step 1: Write the proportion equation
436,902.53 : 602,803.68 = 281,788.19 : x - Step 2: Convert to fraction form
436,902.53/602,803.68 = 281,788.19/x - Step 3: Cross multiply
436,902.53x = 602,803.68 × 281,788.19 - Step 4: Simplify right side
436,902.53x = 169,862,959,779.04 - Step 5: Solve for x
x = 169,862,959,779.04/436,902.53 - Step 6: Final answer
x = 388,789.14
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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.