Finding the Fourth Proportional to 467,251.51, 644,807.35 and 252,391.58
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Solution
The fourth proportional to 467,251.51, 644,807.35 and 252,391.58 is: 348,300.52
Step by Step Solution
- Step 1: Write the proportion equation
467,251.51 : 644,807.35 = 252,391.58 : x - Step 2: Convert to fraction form
467,251.51/644,807.35 = 252,391.58/x - Step 3: Cross multiply
467,251.51x = 644,807.35 × 252,391.58 - Step 4: Simplify right side
467,251.51x = 162,743,944,425.13 - Step 5: Solve for x
x = 162,743,944,425.13/467,251.51 - Step 6: Final answer
x = 348,300.52
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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.