Finding the Fourth Proportional to 313,283.07, 432,331.02 and 170,043.08
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Solution
The fourth proportional to 313,283.07, 432,331.02 and 170,043.08 is: 234,659.66
Step by Step Solution
- Step 1: Write the proportion equation
313,283.07 : 432,331.02 = 170,043.08 : x - Step 2: Convert to fraction form
313,283.07/432,331.02 = 170,043.08/x - Step 3: Cross multiply
313,283.07x = 432,331.02 × 170,043.08 - Step 4: Simplify right side
313,283.07x = 73,514,898,220.34 - Step 5: Solve for x
x = 73,514,898,220.34/313,283.07 - Step 6: Final answer
x = 234,659.66
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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.