Finding the Fourth Proportional to 418,201.39, 577,099.11 and 236,909.62
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Solution
The fourth proportional to 418,201.39, 577,099.11 and 236,909.62 is: 326,924.62
Step by Step Solution
- Step 1: Write the proportion equation
418,201.39 : 577,099.11 = 236,909.62 : x - Step 2: Convert to fraction form
418,201.39/577,099.11 = 236,909.62/x - Step 3: Cross multiply
418,201.39x = 577,099.11 × 236,909.62 - Step 4: Simplify right side
418,201.39x = 136,720,330,852.44 - Step 5: Solve for x
x = 136,720,330,852.44/418,201.39 - Step 6: Final answer
x = 326,924.62
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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.