Finding the Fourth Proportional to 210,588.63, 290,607.99 and 115,096.02
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Solution
The fourth proportional to 210,588.63, 290,607.99 and 115,096.02 is: 158,830.15
Step by Step Solution
- Step 1: Write the proportion equation
210,588.63 : 290,607.99 = 115,096.02 : x - Step 2: Convert to fraction form
210,588.63/290,607.99 = 115,096.02/x - Step 3: Cross multiply
210,588.63x = 290,607.99 × 115,096.02 - Step 4: Simplify right side
210,588.63x = 33,447,823,029.20 - Step 5: Solve for x
x = 33,447,823,029.20/210,588.63 - Step 6: Final answer
x = 158,830.15
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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.