Finding the Fourth Proportional to 268,938,027.36, 371,305,837.08 and 219,496,336.56
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Solution
The fourth proportional to 268,938,027.36, 371,305,837.08 and 219,496,336.56 is: 303,044,801.00
Step by Step Solution
- Step 1: Write the proportion equation
268,938,027.36 : 371,305,837.08 = 219,496,336.56 : x - Step 2: Convert to fraction form
268,938,027.36/371,305,837.08 = 219,496,336.56/x - Step 3: Cross multiply
268,938,027.36x = 371,305,837.08 × 219,496,336.56 - Step 4: Simplify right side
268,938,027.36x = 81,500,270,982,404,208 - Step 5: Solve for x
x = 81,500,270,982,404,208/268,938,027.36 - Step 6: Final answer
x = 303,044,801.00
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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.