Finding the Fourth Proportional to 792,495.48, 1,188,739.12 and 193,459.80
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Solution
The fourth proportional to 792,495.48, 1,188,739.12 and 193,459.80 is: 290,188.70
Step by Step Solution
- Step 1: Write the proportion equation
792,495.48 : 1,188,739.12 = 193,459.80 : x - Step 2: Convert to fraction form
792,495.48/1,188,739.12 = 193,459.80/x - Step 3: Cross multiply
792,495.48x = 1,188,739.12 × 193,459.80 - Step 4: Simplify right side
792,495.48x = 229,973,232,407.38 - Step 5: Solve for x
x = 229,973,232,407.38/792,495.48 - Step 6: Final answer
x = 290,188.70
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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.