Finding the Fourth Proportional to 158,937.81, 219,338.18 and 87,324.49
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Solution
The fourth proportional to 158,937.81, 219,338.18 and 87,324.49 is: 120,510.00
Step by Step Solution
- Step 1: Write the proportion equation
158,937.81 : 219,338.18 = 87,324.49 : x - Step 2: Convert to fraction form
158,937.81/219,338.18 = 87,324.49/x - Step 3: Cross multiply
158,937.81x = 219,338.18 × 87,324.49 - Step 4: Simplify right side
158,937.81x = 19,153,594,269.41 - Step 5: Solve for x
x = 19,153,594,269.41/158,937.81 - Step 6: Final answer
x = 120,510.00
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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.