Finding the Fourth Proportional to 451,715.70, 677,573.55 and 119,291.70
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Solution
The fourth proportional to 451,715.70, 677,573.55 and 119,291.70 is: 178,937.55
Step by Step Solution
- Step 1: Write the proportion equation
451,715.70 : 677,573.55 = 119,291.70 : x - Step 2: Convert to fraction form
451,715.70/677,573.55 = 119,291.70/x - Step 3: Cross multiply
451,715.70x = 677,573.55 × 119,291.70 - Step 4: Simplify right side
451,715.70x = 80,828,900,654.54 - Step 5: Solve for x
x = 80,828,900,654.54/451,715.70 - Step 6: Final answer
x = 178,937.55
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1.5x scale
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.