Finding the Fourth Proportional to 297,859.42, 411,055.19 and 170,576.02
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Solution
The fourth proportional to 297,859.42, 411,055.19 and 170,576.02 is: 235,400.17
Step by Step Solution
- Step 1: Write the proportion equation
297,859.42 : 411,055.19 = 170,576.02 : x - Step 2: Convert to fraction form
297,859.42/411,055.19 = 170,576.02/x - Step 3: Cross multiply
297,859.42x = 411,055.19 × 170,576.02 - Step 4: Simplify right side
297,859.42x = 70,116,158,310.54 - Step 5: Solve for x
x = 70,116,158,310.54/297,859.42 - Step 6: Final answer
x = 235,400.17
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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.