Finding the Fourth Proportional to 122,246.84, 183,389.70 and 52,126.76
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Solution
The fourth proportional to 122,246.84, 183,389.70 and 52,126.76 is: 78,198.43
Step by Step Solution
- Step 1: Write the proportion equation
122,246.84 : 183,389.70 = 52,126.76 : x - Step 2: Convert to fraction form
122,246.84/183,389.70 = 52,126.76/x - Step 3: Cross multiply
122,246.84x = 183,389.70 × 52,126.76 - Step 4: Simplify right side
122,246.84x = 9,559,509,961.42 - Step 5: Solve for x
x = 9,559,509,961.42/122,246.84 - Step 6: Final answer
x = 78,198.43
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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.