Finding the Fourth Proportional to 472,209.14, 651,629.58 and 257,344.56
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Solution
The fourth proportional to 472,209.14, 651,629.58 and 257,344.56 is: 355,125.12
Step by Step Solution
- Step 1: Write the proportion equation
472,209.14 : 651,629.58 = 257,344.56 : x - Step 2: Convert to fraction form
472,209.14/651,629.58 = 257,344.56/x - Step 3: Cross multiply
472,209.14x = 651,629.58 × 257,344.56 - Step 4: Simplify right side
472,209.14x = 167,693,327,548.09 - Step 5: Solve for x
x = 167,693,327,548.09/472,209.14 - Step 6: Final answer
x = 355,125.12
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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.