Finding the Fourth Proportional to 494,885.24, 742,179.75 and 258,098.75
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Solution
The fourth proportional to 494,885.24, 742,179.75 and 258,098.75 is: 387,070.88
Step by Step Solution
- Step 1: Write the proportion equation
494,885.24 : 742,179.75 = 258,098.75 : x - Step 2: Convert to fraction form
494,885.24/742,179.75 = 258,098.75/x - Step 3: Cross multiply
494,885.24x = 742,179.75 × 258,098.75 - Step 4: Simplify right side
494,885.24x = 191,555,665,750.31 - Step 5: Solve for x
x = 191,555,665,750.31/494,885.24 - Step 6: Final answer
x = 387,070.88
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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.