Finding the Fourth Proportional to 122,669.30, 183,874.35 and 69,965.30
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Solution
The fourth proportional to 122,669.30, 183,874.35 and 69,965.30 is: 104,874.03
Step by Step Solution
- Step 1: Write the proportion equation
122,669.30 : 183,874.35 = 69,965.30 : x - Step 2: Convert to fraction form
122,669.30/183,874.35 = 69,965.30/x - Step 3: Cross multiply
122,669.30x = 183,874.35 × 69,965.30 - Step 4: Simplify right side
122,669.30x = 12,864,824,060.06 - Step 5: Solve for x
x = 12,864,824,060.06/122,669.30 - Step 6: Final answer
x = 104,874.03
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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.