Finding the Fourth Proportional to 215,548.99, 297,430.65 and 124,903.31
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Solution
The fourth proportional to 215,548.99, 297,430.65 and 124,903.31 is: 172,350.94
Step by Step Solution
- Step 1: Write the proportion equation
215,548.99 : 297,430.65 = 124,903.31 : x - Step 2: Convert to fraction form
215,548.99/297,430.65 = 124,903.31/x - Step 3: Cross multiply
215,548.99x = 297,430.65 × 124,903.31 - Step 4: Simplify right side
215,548.99x = 37,150,070,568.78 - Step 5: Solve for x
x = 37,150,070,568.78/215,548.99 - Step 6: Final answer
x = 172,350.94
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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.