Finding the Fourth Proportional to 445,350.18, 668,026.48 and 108,390.80
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Solution
The fourth proportional to 445,350.18, 668,026.48 and 108,390.80 is: 162,586.49
Step by Step Solution
- Step 1: Write the proportion equation
445,350.18 : 668,026.48 = 108,390.80 : x - Step 2: Convert to fraction form
445,350.18/668,026.48 = 108,390.80/x - Step 3: Cross multiply
445,350.18x = 668,026.48 × 108,390.80 - Step 4: Simplify right side
445,350.18x = 72,407,924,588.38 - Step 5: Solve for x
x = 72,407,924,588.38/445,350.18 - Step 6: Final answer
x = 162,586.49
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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.