Finding the Fourth Proportional to 348,308.82, 480,671.58 and 203,110.68
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Solution
The fourth proportional to 348,308.82, 480,671.58 and 203,110.68 is: 280,295.89
Step by Step Solution
- Step 1: Write the proportion equation
348,308.82 : 480,671.58 = 203,110.68 : x - Step 2: Convert to fraction form
348,308.82/480,671.58 = 203,110.68/x - Step 3: Cross multiply
348,308.82x = 480,671.58 × 203,110.68 - Step 4: Simplify right side
348,308.82x = 97,629,531,470.47 - Step 5: Solve for x
x = 97,629,531,470.47/348,308.82 - Step 6: Final answer
x = 280,295.89
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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.