Finding the Fourth Proportional to 388,501.80, 536,283.14 and 303,646.44
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Solution
The fourth proportional to 388,501.80, 536,283.14 and 303,646.44 is: 419,149.84
Step by Step Solution
- Step 1: Write the proportion equation
388,501.80 : 536,283.14 = 303,646.44 : x - Step 2: Convert to fraction form
388,501.80/536,283.14 = 303,646.44/x - Step 3: Cross multiply
388,501.80x = 536,283.14 × 303,646.44 - Step 4: Simplify right side
388,501.80x = 162,840,466,293.02 - Step 5: Solve for x
x = 162,840,466,293.02/388,501.80 - Step 6: Final answer
x = 419,149.84
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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.