Finding the Fourth Proportional to 210,303.96, 290,217.99 and 114,810.66
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Solution
The fourth proportional to 210,303.96, 290,217.99 and 114,810.66 is: 158,437.90
Step by Step Solution
- Step 1: Write the proportion equation
210,303.96 : 290,217.99 = 114,810.66 : x - Step 2: Convert to fraction form
210,303.96/290,217.99 = 114,810.66/x - Step 3: Cross multiply
210,303.96x = 290,217.99 × 114,810.66 - Step 4: Simplify right side
210,303.96x = 33,320,117,944.27 - Step 5: Solve for x
x = 33,320,117,944.27/210,303.96 - Step 6: Final answer
x = 158,437.90
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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.