Finding the Fourth Proportional to 365,519.43, 548,281.44 and 239,265.66
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Solution
The fourth proportional to 365,519.43, 548,281.44 and 239,265.66 is: 358,899.99
Step by Step Solution
- Step 1: Write the proportion equation
365,519.43 : 548,281.44 = 239,265.66 : x - Step 2: Convert to fraction form
365,519.43/548,281.44 = 239,265.66/x - Step 3: Cross multiply
365,519.43x = 548,281.44 × 239,265.66 - Step 4: Simplify right side
365,519.43x = 131,184,920,607.35 - Step 5: Solve for x
x = 131,184,920,607.35/365,519.43 - Step 6: Final answer
x = 358,899.99
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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.