Finding the Fourth Proportional to 140,322.84, 209,460.63 and 122,607.96
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Solution
The fourth proportional to 140,322.84, 209,460.63 and 122,607.96 is: 183,017.54
Step by Step Solution
- Step 1: Write the proportion equation
140,322.84 : 209,460.63 = 122,607.96 : x - Step 2: Convert to fraction form
140,322.84/209,460.63 = 122,607.96/x - Step 3: Cross multiply
140,322.84x = 209,460.63 × 122,607.96 - Step 4: Simplify right side
140,322.84x = 25,681,540,544.61 - Step 5: Solve for x
x = 25,681,540,544.61/140,322.84 - Step 6: Final answer
x = 183,017.54
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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.