Finding the Fourth Proportional to 297,890.13, 411,042.56 and 176,986.68
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Solution
The fourth proportional to 297,890.13, 411,042.56 and 176,986.68 is: 244,214.39
Step by Step Solution
- Step 1: Write the proportion equation
297,890.13 : 411,042.56 = 176,986.68 : x - Step 2: Convert to fraction form
297,890.13/411,042.56 = 176,986.68/x - Step 3: Cross multiply
297,890.13x = 411,042.56 × 176,986.68 - Step 4: Simplify right side
297,890.13x = 72,749,057,148.17 - Step 5: Solve for x
x = 72,749,057,148.17/297,890.13 - Step 6: Final answer
x = 244,214.39
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1.5x scale
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.