Finding the Fourth Proportional to 273,859.65, 377,888.93 and 152,985.99
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Solution
The fourth proportional to 273,859.65, 377,888.93 and 152,985.99 is: 211,099.78
Step by Step Solution
- Step 1: Write the proportion equation
273,859.65 : 377,888.93 = 152,985.99 : x - Step 2: Convert to fraction form
273,859.65/377,888.93 = 152,985.99/x - Step 3: Cross multiply
273,859.65x = 377,888.93 × 152,985.99 - Step 4: Simplify right side
273,859.65x = 57,811,711,301.16 - Step 5: Solve for x
x = 57,811,711,301.16/273,859.65 - Step 6: Final answer
x = 211,099.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.