Finding the Fourth Proportional to 391,613.96, 587,421.50 and 96,125.96
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Solution
The fourth proportional to 391,613.96, 587,421.50 and 96,125.96 is: 144,189.08
Step by Step Solution
- Step 1: Write the proportion equation
391,613.96 : 587,421.50 = 96,125.96 : x - Step 2: Convert to fraction form
391,613.96/587,421.50 = 96,125.96/x - Step 3: Cross multiply
391,613.96x = 587,421.50 × 96,125.96 - Step 4: Simplify right side
391,613.96x = 56,466,455,612.14 - Step 5: Solve for x
x = 56,466,455,612.14/391,613.96 - Step 6: Final answer
x = 144,189.08
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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.