Finding the Fourth Proportional to 122,437.20, 183,637.20 and 41,383.19
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Solution
The fourth proportional to 122,437.20, 183,637.20 and 41,383.19 is: 62,068.49
Step by Step Solution
- Step 1: Write the proportion equation
122,437.20 : 183,637.20 = 41,383.19 : x - Step 2: Convert to fraction form
122,437.20/183,637.20 = 41,383.19/x - Step 3: Cross multiply
122,437.20x = 183,637.20 × 41,383.19 - Step 4: Simplify right side
122,437.20x = 7,599,492,220.48 - Step 5: Solve for x
x = 7,599,492,220.48/122,437.20 - Step 6: Final answer
x = 62,068.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.