Finding the Fourth Proportional to 472,112.94, 651,523.30 and 257,252.88
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Solution
The fourth proportional to 472,112.94, 651,523.30 and 257,252.88 is: 355,013.03
Step by Step Solution
- Step 1: Write the proportion equation
472,112.94 : 651,523.30 = 257,252.88 : x - Step 2: Convert to fraction form
472,112.94/651,523.30 = 257,252.88/x - Step 3: Cross multiply
472,112.94x = 651,523.30 × 257,252.88 - Step 4: Simplify right side
472,112.94x = 167,606,245,312.10 - Step 5: Solve for x
x = 167,606,245,312.10/472,112.94 - Step 6: Final answer
x = 355,013.03
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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.