Finding the Fourth Proportional to 122,117.70, 183,208.95 and 43,223.70
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Solution
The fourth proportional to 122,117.70, 183,208.95 and 43,223.70 is: 64,847.02
Step by Step Solution
- Step 1: Write the proportion equation
122,117.70 : 183,208.95 = 43,223.70 : x - Step 2: Convert to fraction form
122,117.70/183,208.95 = 43,223.70/x - Step 3: Cross multiply
122,117.70x = 183,208.95 × 43,223.70 - Step 4: Simplify right side
122,117.70x = 7,918,968,692.12 - Step 5: Solve for x
x = 7,918,968,692.12/122,117.70 - Step 6: Final answer
x = 64,847.02
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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.