Finding the Fourth Proportional to 418,750.96, 628,027.08 and 148,856.80
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Solution
The fourth proportional to 418,750.96, 628,027.08 and 148,856.80 is: 223,249.88
Step by Step Solution
- Step 1: Write the proportion equation
418,750.96 : 628,027.08 = 148,856.80 : x - Step 2: Convert to fraction form
418,750.96/628,027.08 = 148,856.80/x - Step 3: Cross multiply
418,750.96x = 628,027.08 × 148,856.80 - Step 4: Simplify right side
418,750.96x = 93,486,101,442.14 - Step 5: Solve for x
x = 93,486,101,442.14/418,750.96 - Step 6: Final answer
x = 223,249.88
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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.