Finding the Fourth Proportional to 351,776.20, 527,664.30 and 141,305.80
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Solution
The fourth proportional to 351,776.20, 527,664.30 and 141,305.80 is: 211,958.70
Step by Step Solution
- Step 1: Write the proportion equation
351,776.20 : 527,664.30 = 141,305.80 : x - Step 2: Convert to fraction form
351,776.20/527,664.30 = 141,305.80/x - Step 3: Cross multiply
351,776.20x = 527,664.30 × 141,305.80 - Step 4: Simplify right side
351,776.20x = 74,562,026,042.94 - Step 5: Solve for x
x = 74,562,026,042.94/351,776.20 - Step 6: Final answer
x = 211,958.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.