Finding the Fourth Proportional to 477,125.28, 658,158.35 and 286,027.65
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Solution
The fourth proportional to 477,125.28, 658,158.35 and 286,027.65 is: 394,553.57
Step by Step Solution
- Step 1: Write the proportion equation
477,125.28 : 658,158.35 = 286,027.65 : x - Step 2: Convert to fraction form
477,125.28/658,158.35 = 286,027.65/x - Step 3: Cross multiply
477,125.28x = 658,158.35 × 286,027.65 - Step 4: Simplify right side
477,125.28x = 188,251,484,748.24 - Step 5: Solve for x
x = 188,251,484,748.24/477,125.28 - Step 6: Final answer
x = 394,553.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.