Finding the Fourth Proportional to 247,050.05, 340,929.23 and 133,872.80
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Solution
The fourth proportional to 247,050.05, 340,929.23 and 133,872.80 is: 184,744.55
Step by Step Solution
- Step 1: Write the proportion equation
247,050.05 : 340,929.23 = 133,872.80 : x - Step 2: Convert to fraction form
247,050.05/340,929.23 = 133,872.80/x - Step 3: Cross multiply
247,050.05x = 340,929.23 × 133,872.80 - Step 4: Simplify right side
247,050.05x = 45,641,148,247.93 - Step 5: Solve for x
x = 45,641,148,247.93/247,050.05 - Step 6: Final answer
x = 184,744.55
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1.5x scale
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.