Finding the Fourth Proportional to 444,115.56, 613,079.64 and 283,186.92
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Solution
The fourth proportional to 444,115.56, 613,079.64 and 283,186.92 is: 390,925.58
Step by Step Solution
- Step 1: Write the proportion equation
444,115.56 : 613,079.64 = 283,186.92 : x - Step 2: Convert to fraction form
444,115.56/613,079.64 = 283,186.92/x - Step 3: Cross multiply
444,115.56x = 613,079.64 × 283,186.92 - Step 4: Simplify right side
444,115.56x = 173,616,134,966.31 - Step 5: Solve for x
x = 173,616,134,966.31/444,115.56 - Step 6: Final answer
x = 390,925.58
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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.