Finding the Fourth Proportional to 106,214.00, 159,320.99 and 39,659.31
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Solution
The fourth proportional to 106,214.00, 159,320.99 and 39,659.31 is: 59,488.96
Step by Step Solution
- Step 1: Write the proportion equation
106,214.00 : 159,320.99 = 39,659.31 : x - Step 2: Convert to fraction form
106,214.00/159,320.99 = 39,659.31/x - Step 3: Cross multiply
106,214.00x = 159,320.99 × 39,659.31 - Step 4: Simplify right side
106,214.00x = 6,318,560,333.62 - Step 5: Solve for x
x = 6,318,560,333.62/106,214.00 - Step 6: Final answer
x = 59,488.96
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1.5x scale
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.