Finding the Fourth Proportional to 159,950.99, 239,735.63 and 74,446.79
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Solution
The fourth proportional to 159,950.99, 239,735.63 and 74,446.79 is: 111,581.35
Step by Step Solution
- Step 1: Write the proportion equation
159,950.99 : 239,735.63 = 74,446.79 : x - Step 2: Convert to fraction form
159,950.99/239,735.63 = 74,446.79/x - Step 3: Cross multiply
159,950.99x = 239,735.63 × 74,446.79 - Step 4: Simplify right side
159,950.99x = 17,847,547,089.57 - Step 5: Solve for x
x = 17,847,547,089.57/159,950.99 - Step 6: Final answer
x = 111,581.35
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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.