Finding the Fourth Proportional to 122,717.84, 183,878.64 and 103,034.84
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Solution
The fourth proportional to 122,717.84, 183,878.64 and 103,034.84 is: 154,385.92
Step by Step Solution
- Step 1: Write the proportion equation
122,717.84 : 183,878.64 = 103,034.84 : x - Step 2: Convert to fraction form
122,717.84/183,878.64 = 103,034.84/x - Step 3: Cross multiply
122,717.84x = 183,878.64 × 103,034.84 - Step 4: Simplify right side
122,717.84x = 18,945,905,332.42 - Step 5: Solve for x
x = 18,945,905,332.42/122,717.84 - Step 6: Final answer
x = 154,385.92
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1.5x scale
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.