Finding the Fourth Proportional to 153,509.81, 230,065.98 and 106,049.17
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Solution
The fourth proportional to 153,509.81, 230,065.98 and 106,049.17 is: 158,936.46
Step by Step Solution
- Step 1: Write the proportion equation
153,509.81 : 230,065.98 = 106,049.17 : x - Step 2: Convert to fraction form
153,509.81/230,065.98 = 106,049.17/x - Step 3: Cross multiply
153,509.81x = 230,065.98 × 106,049.17 - Step 4: Simplify right side
153,509.81x = 24,398,306,224.24 - Step 5: Solve for x
x = 24,398,306,224.24/153,509.81 - Step 6: Final answer
x = 158,936.46
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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.