Finding the Fourth Proportional to 628,020.47, 942,033.44 and 201,621.08
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Solution
The fourth proportional to 628,020.47, 942,033.44 and 201,621.08 is: 302,432.50
Step by Step Solution
- Step 1: Write the proportion equation
628,020.47 : 942,033.44 = 201,621.08 : x - Step 2: Convert to fraction form
628,020.47/942,033.44 = 201,621.08/x - Step 3: Cross multiply
628,020.47x = 942,033.44 × 201,621.08 - Step 4: Simplify right side
628,020.47x = 189,933,802,428.05 - Step 5: Solve for x
x = 189,933,802,428.05/628,020.47 - Step 6: Final answer
x = 302,432.50
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1.5x scale
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.