Finding the Fourth Proportional to 289,305.24, 434,027.16 and 120,731.78
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Solution
The fourth proportional to 289,305.24, 434,027.16 and 120,731.78 is: 181,126.59
Step by Step Solution
- Step 1: Write the proportion equation
289,305.24 : 434,027.16 = 120,731.78 : x - Step 2: Convert to fraction form
289,305.24/434,027.16 = 120,731.78/x - Step 3: Cross multiply
289,305.24x = 434,027.16 × 120,731.78 - Step 4: Simplify right side
289,305.24x = 52,400,871,595.14 - Step 5: Solve for x
x = 52,400,871,595.14/289,305.24 - Step 6: Final answer
x = 181,126.59
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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.