Finding the Fourth Proportional to 315,119.68, 434,866.51 and 171,882.80
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Solution
The fourth proportional to 315,119.68, 434,866.51 and 171,882.80 is: 237,199.00
Step by Step Solution
- Step 1: Write the proportion equation
315,119.68 : 434,866.51 = 171,882.80 : x - Step 2: Convert to fraction form
315,119.68/434,866.51 = 171,882.80/x - Step 3: Cross multiply
315,119.68x = 434,866.51 × 171,882.80 - Step 4: Simplify right side
315,119.68x = 74,746,073,365.03 - Step 5: Solve for x
x = 74,746,073,365.03/315,119.68 - Step 6: Final answer
x = 237,199.00
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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.