Finding the Fourth Proportional to 210,246.21, 290,137.68 and 114,752.07
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Solution
The fourth proportional to 210,246.21, 290,137.68 and 114,752.07 is: 158,356.72
Step by Step Solution
- Step 1: Write the proportion equation
210,246.21 : 290,137.68 = 114,752.07 : x - Step 2: Convert to fraction form
210,246.21/290,137.68 = 114,752.07/x - Step 3: Cross multiply
210,246.21x = 290,137.68 × 114,752.07 - Step 4: Simplify right side
210,246.21x = 33,293,899,365.00 - Step 5: Solve for x
x = 33,293,899,365.00/210,246.21 - Step 6: Final answer
x = 158,356.72
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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.