Finding the Fourth Proportional to 432,219.80, 648,135.30 and 165,891.80
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Solution
The fourth proportional to 432,219.80, 648,135.30 and 165,891.80 is: 248,763.09
Step by Step Solution
- Step 1: Write the proportion equation
432,219.80 : 648,135.30 = 165,891.80 : x - Step 2: Convert to fraction form
432,219.80/648,135.30 = 165,891.80/x - Step 3: Cross multiply
432,219.80x = 648,135.30 × 165,891.80 - Step 4: Simplify right side
432,219.80x = 107,520,331,560.54 - Step 5: Solve for x
x = 107,520,331,560.54/432,219.80 - Step 6: Final answer
x = 248,763.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.