Finding the Fourth Proportional to 445,105.90, 614,217.08 and 283,943.65
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Solution
The fourth proportional to 445,105.90, 614,217.08 and 283,943.65 is: 391,823.70
Step by Step Solution
- Step 1: Write the proportion equation
445,105.90 : 614,217.08 = 283,943.65 : x - Step 2: Convert to fraction form
445,105.90/614,217.08 = 283,943.65/x - Step 3: Cross multiply
445,105.90x = 614,217.08 × 283,943.65 - Step 4: Simplify right side
445,105.90x = 174,403,039,587.54 - Step 5: Solve for x
x = 174,403,039,587.54/445,105.90 - Step 6: Final answer
x = 391,823.70
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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.