Finding the Fourth Proportional to 394,312.19, 591,976.76 and 338,510.88
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Solution
The fourth proportional to 394,312.19, 591,976.76 and 338,510.88 is: 508,202.84
Step by Step Solution
- Step 1: Write the proportion equation
394,312.19 : 591,976.76 = 338,510.88 : x - Step 2: Convert to fraction form
394,312.19/591,976.76 = 338,510.88/x - Step 3: Cross multiply
394,312.19x = 591,976.76 × 338,510.88 - Step 4: Simplify right side
394,312.19x = 200,390,572,274.59 - Step 5: Solve for x
x = 200,390,572,274.59/394,312.19 - Step 6: Final answer
x = 508,202.84
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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.