Finding the Fourth Proportional to 299,444.13, 413,218.53 and 170,370.63
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Solution
The fourth proportional to 299,444.13, 413,218.53 and 170,370.63 is: 235,103.29
Step by Step Solution
- Step 1: Write the proportion equation
299,444.13 : 413,218.53 = 170,370.63 : x - Step 2: Convert to fraction form
299,444.13/413,218.53 = 170,370.63/x - Step 3: Cross multiply
299,444.13x = 413,218.53 × 170,370.63 - Step 4: Simplify right side
299,444.13x = 70,400,301,283.77 - Step 5: Solve for x
x = 70,400,301,283.77/299,444.13 - Step 6: Final answer
x = 235,103.29
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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.