Finding the Fourth Proportional to 146,437.19, 219,405.04 and 79,923.99
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Solution
The fourth proportional to 146,437.19, 219,405.04 and 79,923.99 is: 119,749.13
Step by Step Solution
- Step 1: Write the proportion equation
146,437.19 : 219,405.04 = 79,923.99 : x - Step 2: Convert to fraction form
146,437.19/219,405.04 = 79,923.99/x - Step 3: Cross multiply
146,437.19x = 219,405.04 × 79,923.99 - Step 4: Simplify right side
146,437.19x = 17,535,726,565.97 - Step 5: Solve for x
x = 17,535,726,565.97/146,437.19 - Step 6: Final answer
x = 119,749.13
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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.