Finding the Fourth Proportional to 306,664.84, 423,197.44 and 170,695.88
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Solution
The fourth proportional to 306,664.84, 423,197.44 and 170,695.88 is: 235,560.29
Step by Step Solution
- Step 1: Write the proportion equation
306,664.84 : 423,197.44 = 170,695.88 : x - Step 2: Convert to fraction form
306,664.84/423,197.44 = 170,695.88/x - Step 3: Cross multiply
306,664.84x = 423,197.44 × 170,695.88 - Step 4: Simplify right side
306,664.84x = 72,238,059,434.55 - Step 5: Solve for x
x = 72,238,059,434.55/306,664.84 - Step 6: Final answer
x = 235,560.29
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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.