Finding the Fourth Proportional to 517,637.70, 776,893.95 and 202,320.90
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Solution
The fourth proportional to 517,637.70, 776,893.95 and 202,320.90 is: 303,652.31
Step by Step Solution
- Step 1: Write the proportion equation
517,637.70 : 776,893.95 = 202,320.90 : x - Step 2: Convert to fraction form
517,637.70/776,893.95 = 202,320.90/x - Step 3: Cross multiply
517,637.70x = 776,893.95 × 202,320.90 - Step 4: Simplify right side
517,637.70x = 157,181,883,168.56 - Step 5: Solve for x
x = 157,181,883,168.56/517,637.70 - Step 6: Final answer
x = 303,652.31
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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.