Finding the Fourth Proportional to 459,554.02, 634,496.97 and 338,709.22
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Solution
The fourth proportional to 459,554.02, 634,496.97 and 338,709.22 is: 467,648.99
Step by Step Solution
- Step 1: Write the proportion equation
459,554.02 : 634,496.97 = 338,709.22 : x - Step 2: Convert to fraction form
459,554.02/634,496.97 = 338,709.22/x - Step 3: Cross multiply
459,554.02x = 634,496.97 × 338,709.22 - Step 4: Simplify right side
459,554.02x = 214,909,973,801.06 - Step 5: Solve for x
x = 214,909,973,801.06/459,554.02 - Step 6: Final answer
x = 467,648.99
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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.