Finding the Fourth Proportional to 436,821.12, 602,713.44 and 245,764.80
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Solution
The fourth proportional to 436,821.12, 602,713.44 and 245,764.80 is: 339,099.33
Step by Step Solution
- Step 1: Write the proportion equation
436,821.12 : 602,713.44 = 245,764.80 : x - Step 2: Convert to fraction form
436,821.12/602,713.44 = 245,764.80/x - Step 3: Cross multiply
436,821.12x = 602,713.44 × 245,764.80 - Step 4: Simplify right side
436,821.12x = 148,125,748,038.91 - Step 5: Solve for x
x = 148,125,748,038.91/436,821.12 - Step 6: Final answer
x = 339,099.33
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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.