Finding the Fourth Proportional to 106,029.84, 146,260.17 and 63,563.70
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Solution
The fourth proportional to 106,029.84, 146,260.17 and 63,563.70 is: 87,681.33
Step by Step Solution
- Step 1: Write the proportion equation
106,029.84 : 146,260.17 = 63,563.70 : x - Step 2: Convert to fraction form
106,029.84/146,260.17 = 63,563.70/x - Step 3: Cross multiply
106,029.84x = 146,260.17 × 63,563.70 - Step 4: Simplify right side
106,029.84x = 9,296,837,567.83 - Step 5: Solve for x
x = 9,296,837,567.83/106,029.84 - Step 6: Final answer
x = 87,681.33
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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.