Finding the Fourth Proportional to 122,365.71, 183,526.65 and 77,860.26
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Solution
The fourth proportional to 122,365.71, 183,526.65 and 77,860.26 is: 116,776.45
Step by Step Solution
- Step 1: Write the proportion equation
122,365.71 : 183,526.65 = 77,860.26 : x - Step 2: Convert to fraction form
122,365.71/183,526.65 = 77,860.26/x - Step 3: Cross multiply
122,365.71x = 183,526.65 × 77,860.26 - Step 4: Simplify right side
122,365.71x = 14,289,432,685.93 - Step 5: Solve for x
x = 14,289,432,685.93/122,365.71 - Step 6: Final answer
x = 116,776.45
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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.