Finding the Fourth Proportional to 352,660.71, 528,824.30 and 136,620.63
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Solution
The fourth proportional to 352,660.71, 528,824.30 and 136,620.63 is: 204,866.34
Step by Step Solution
- Step 1: Write the proportion equation
352,660.71 : 528,824.30 = 136,620.63 : x - Step 2: Convert to fraction form
352,660.71/528,824.30 = 136,620.63/x - Step 3: Cross multiply
352,660.71x = 528,824.30 × 136,620.63 - Step 4: Simplify right side
352,660.71x = 72,248,309,025.31 - Step 5: Solve for x
x = 72,248,309,025.31/352,660.71 - Step 6: Final answer
x = 204,866.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.