Finding the Fourth Proportional to 176,434.06, 264,392.70 and 87,509.98
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Solution
The fourth proportional to 176,434.06, 264,392.70 and 87,509.98 is: 131,136.81
Step by Step Solution
- Step 1: Write the proportion equation
176,434.06 : 264,392.70 = 87,509.98 : x - Step 2: Convert to fraction form
176,434.06/264,392.70 = 87,509.98/x - Step 3: Cross multiply
176,434.06x = 264,392.70 × 87,509.98 - Step 4: Simplify right side
176,434.06x = 23,136,999,889.15 - Step 5: Solve for x
x = 23,136,999,889.15/176,434.06 - Step 6: Final answer
x = 131,136.81
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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.