Finding the Fourth Proportional to 205,789.62, 307,842.36 and 155,495.88
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Solution
The fourth proportional to 205,789.62, 307,842.36 and 155,495.88 is: 232,607.55
Step by Step Solution
- Step 1: Write the proportion equation
205,789.62 : 307,842.36 = 155,495.88 : x - Step 2: Convert to fraction form
205,789.62/307,842.36 = 155,495.88/x - Step 3: Cross multiply
205,789.62x = 307,842.36 × 155,495.88 - Step 4: Simplify right side
205,789.62x = 47,868,218,669.48 - Step 5: Solve for x
x = 47,868,218,669.48/205,789.62 - Step 6: Final answer
x = 232,607.55
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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.