Finding the Fourth Proportional to 436,824.12, 602,717.58 and 245,767.80
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Solution
The fourth proportional to 436,824.12, 602,717.58 and 245,767.80 is: 339,103.47
Step by Step Solution
- Step 1: Write the proportion equation
436,824.12 : 602,717.58 = 245,767.80 : x - Step 2: Convert to fraction form
436,824.12/602,717.58 = 245,767.80/x - Step 3: Cross multiply
436,824.12x = 602,717.58 × 245,767.80 - Step 4: Simplify right side
436,824.12x = 148,128,573,657.92 - Step 5: Solve for x
x = 148,128,573,657.92/436,824.12 - Step 6: Final answer
x = 339,103.47
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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.