Finding the Fourth Proportional to 140,317.84, 209,453.18 and 122,602.96
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Solution
The fourth proportional to 140,317.84, 209,453.18 and 122,602.96 is: 183,010.09
Step by Step Solution
- Step 1: Write the proportion equation
140,317.84 : 209,453.18 = 122,602.96 : x - Step 2: Convert to fraction form
140,317.84/209,453.18 = 122,602.96/x - Step 3: Cross multiply
140,317.84x = 209,453.18 × 122,602.96 - Step 4: Simplify right side
140,317.84x = 25,679,579,849.41 - Step 5: Solve for x
x = 25,679,579,849.41/140,317.84 - Step 6: Final answer
x = 183,010.09
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.