Finding the Fourth Proportional to 306,840.27, 423,449.21 and 169,029.19
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Solution
The fourth proportional to 306,840.27, 423,449.21 and 169,029.19 is: 233,265.59
Step by Step Solution
- Step 1: Write the proportion equation
306,840.27 : 423,449.21 = 169,029.19 : x - Step 2: Convert to fraction form
306,840.27/423,449.21 = 169,029.19/x - Step 3: Cross multiply
306,840.27x = 423,449.21 × 169,029.19 - Step 4: Simplify right side
306,840.27x = 71,575,275,491.24 - Step 5: Solve for x
x = 71,575,275,491.24/306,840.27 - Step 6: Final answer
x = 233,265.59
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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.