Finding the Fourth Proportional to 412,855.34, 619,283.95 and 113,340.02
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Solution
The fourth proportional to 412,855.34, 619,283.95 and 113,340.02 is: 170,010.28
Step by Step Solution
- Step 1: Write the proportion equation
412,855.34 : 619,283.95 = 113,340.02 : x - Step 2: Convert to fraction form
412,855.34/619,283.95 = 113,340.02/x - Step 3: Cross multiply
412,855.34x = 619,283.95 × 113,340.02 - Step 4: Simplify right side
412,855.34x = 70,189,651,898.91 - Step 5: Solve for x
x = 70,189,651,898.91/412,855.34 - Step 6: Final answer
x = 170,010.28
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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.