Finding the Fourth Proportional to 210,998.19, 291,177.99 and 115,511.04
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Solution
The fourth proportional to 210,998.19, 291,177.99 and 115,511.04 is: 159,405.50
Step by Step Solution
- Step 1: Write the proportion equation
210,998.19 : 291,177.99 = 115,511.04 : x - Step 2: Convert to fraction form
210,998.19/291,177.99 = 115,511.04/x - Step 3: Cross multiply
210,998.19x = 291,177.99 × 115,511.04 - Step 4: Simplify right side
210,998.19x = 33,634,272,450.01 - Step 5: Solve for x
x = 33,634,272,450.01/210,998.19 - Step 6: Final answer
x = 159,405.50
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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.