Finding the Fourth Proportional to 216,298.70, 298,509.60 and 119,510.99
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Solution
The fourth proportional to 216,298.70, 298,509.60 and 119,510.99 is: 164,934.78
Step by Step Solution
- Step 1: Write the proportion equation
216,298.70 : 298,509.60 = 119,510.99 : x - Step 2: Convert to fraction form
216,298.70/298,509.60 = 119,510.99/x - Step 3: Cross multiply
216,298.70x = 298,509.60 × 119,510.99 - Step 4: Simplify right side
216,298.70x = 35,675,179,574.65 - Step 5: Solve for x
x = 35,675,179,574.65/216,298.70 - Step 6: Final answer
x = 164,934.78
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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.