Finding the Fourth Proportional to 176,471.90, 264,319.05 and 156,772.70
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Solution
The fourth proportional to 176,471.90, 264,319.05 and 156,772.70 is: 234,813.65
Step by Step Solution
- Step 1: Write the proportion equation
176,471.90 : 264,319.05 = 156,772.70 : x - Step 2: Convert to fraction form
176,471.90/264,319.05 = 156,772.70/x - Step 3: Cross multiply
176,471.90x = 264,319.05 × 156,772.70 - Step 4: Simplify right side
176,471.90x = 41,438,011,129.94 - Step 5: Solve for x
x = 41,438,011,129.94/176,471.90 - Step 6: Final answer
x = 234,813.65
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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.