Finding the Fourth Proportional to 331,393.10, 497,235.45 and 153,808.70
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Solution
The fourth proportional to 331,393.10, 497,235.45 and 153,808.70 is: 230,780.72
Step by Step Solution
- Step 1: Write the proportion equation
331,393.10 : 497,235.45 = 153,808.70 : x - Step 2: Convert to fraction form
331,393.10/497,235.45 = 153,808.70/x - Step 3: Cross multiply
331,393.10x = 497,235.45 × 153,808.70 - Step 4: Simplify right side
331,393.10x = 76,479,138,158.42 - Step 5: Solve for x
x = 76,479,138,158.42/331,393.10 - Step 6: Final answer
x = 230,780.72
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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.