Finding the Fourth Proportional to 122,559.08, 183,838.76 and 38,319.68
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Solution
The fourth proportional to 122,559.08, 183,838.76 and 38,319.68 is: 57,479.56
Step by Step Solution
- Step 1: Write the proportion equation
122,559.08 : 183,838.76 = 38,319.68 : x - Step 2: Convert to fraction form
122,559.08/183,838.76 = 38,319.68/x - Step 3: Cross multiply
122,559.08x = 183,838.76 × 38,319.68 - Step 4: Simplify right side
122,559.08x = 7,044,642,263.20 - Step 5: Solve for x
x = 7,044,642,263.20/122,559.08 - Step 6: Final answer
x = 57,479.56
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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.