Finding the Fourth Proportional to 408,177.80, 612,266.70 and 295,328.60
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Solution
The fourth proportional to 408,177.80, 612,266.70 and 295,328.60 is: 442,992.90
Step by Step Solution
- Step 1: Write the proportion equation
408,177.80 : 612,266.70 = 295,328.60 : x - Step 2: Convert to fraction form
408,177.80/612,266.70 = 295,328.60/x - Step 3: Cross multiply
408,177.80x = 612,266.70 × 295,328.60 - Step 4: Simplify right side
408,177.80x = 180,819,867,337.62 - Step 5: Solve for x
x = 180,819,867,337.62/408,177.80 - Step 6: Final answer
x = 442,992.90
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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.