Finding the Fourth Proportional to 314,509.80, 434,170.62 and 201,397.08
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Solution
The fourth proportional to 314,509.80, 434,170.62 and 201,397.08 is: 278,022.16
Step by Step Solution
- Step 1: Write the proportion equation
314,509.80 : 434,170.62 = 201,397.08 : x - Step 2: Convert to fraction form
314,509.80/434,170.62 = 201,397.08/x - Step 3: Cross multiply
314,509.80x = 434,170.62 × 201,397.08 - Step 4: Simplify right side
314,509.80x = 87,440,695,089.79 - Step 5: Solve for x
x = 87,440,695,089.79/314,509.80 - Step 6: Final answer
x = 278,022.16
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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.