Finding the Fourth Proportional to 122,446.08, 183,669.12 and 39,346.56
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Solution
The fourth proportional to 122,446.08, 183,669.12 and 39,346.56 is: 59,019.84
Step by Step Solution
- Step 1: Write the proportion equation
122,446.08 : 183,669.12 = 39,346.56 : x - Step 2: Convert to fraction form
122,446.08/183,669.12 = 39,346.56/x - Step 3: Cross multiply
122,446.08x = 183,669.12 × 39,346.56 - Step 4: Simplify right side
122,446.08x = 7,226,748,050.23 - Step 5: Solve for x
x = 7,226,748,050.23/122,446.08 - Step 6: Final answer
x = 59,019.84
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1.5x scale
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.