Finding the Fourth Proportional to 165,436.65, 248,154.99 and 40,777.65
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Solution
The fourth proportional to 165,436.65, 248,154.99 and 40,777.65 is: 61,166.48
Step by Step Solution
- Step 1: Write the proportion equation
165,436.65 : 248,154.99 = 40,777.65 : x - Step 2: Convert to fraction form
165,436.65/248,154.99 = 40,777.65/x - Step 3: Cross multiply
165,436.65x = 248,154.99 × 40,777.65 - Step 4: Simplify right side
165,436.65x = 10,119,177,327.97 - Step 5: Solve for x
x = 10,119,177,327.97/165,436.65 - Step 6: Final answer
x = 61,166.48
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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.