Finding the Fourth Proportional to 122,154.18, 183,169.35 and 43,257.30
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Solution
The fourth proportional to 122,154.18, 183,169.35 and 43,257.30 is: 64,864.02
Step by Step Solution
- Step 1: Write the proportion equation
122,154.18 : 183,169.35 = 43,257.30 : x - Step 2: Convert to fraction form
122,154.18/183,169.35 = 43,257.30/x - Step 3: Cross multiply
122,154.18x = 183,169.35 × 43,257.30 - Step 4: Simplify right side
122,154.18x = 7,923,411,523.76 - Step 5: Solve for x
x = 7,923,411,523.76/122,154.18 - Step 6: Final answer
x = 64,864.02
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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.