Finding the Fourth Proportional to 306,664.22, 423,209.10 and 170,689.54
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Solution
The fourth proportional to 306,664.22, 423,209.10 and 170,689.54 is: 235,558.52
Step by Step Solution
- Step 1: Write the proportion equation
306,664.22 : 423,209.10 = 170,689.54 : x - Step 2: Convert to fraction form
306,664.22/423,209.10 = 170,689.54/x - Step 3: Cross multiply
306,664.22x = 423,209.10 × 170,689.54 - Step 4: Simplify right side
306,664.22x = 72,237,367,573.53 - Step 5: Solve for x
x = 72,237,367,573.53/306,664.22 - Step 6: Final answer
x = 235,558.52
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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.